Tuesday, May 05, 2015

Federal Acitvity at Mayweather Pacquiao Fight

On Saturday, May 2nd, what was touted as the Fight of the Century between Floyd Mayweather and Manny Pacquiao took place at the MGM Grand in Las Vegas. Due to the intense attention this event was bringing, there were some extra security measure taken, involving local law enforcement and even some federal agencies.



The TSA at McCarren Airport in Las Vegas was prepared for the onslaught of visitors to Las Vegas for the weekend of the event, as well as the flood of travelers leaving on the Sunday after the fight.

And it appeared that the FBI was maintaining some presence at the fight. On Friday, May 1, I heard several radio checks that seemed to come from near the fight location at the MGM Grand. I heard some references to downlink video being set up and heard one station ID as "Command Post". On fight day, I also hear some additional radio checks but nothing more. Fredquencies heard were 163.8875 MHz, N167 and 167.7375 MHz, N167.

I also heard some TSA units that were possibly on location at the fight venue, possibly members of the Behavioral Detection Unit (BDU). They were on 169.3000 MHz, N013.

Collecting Federal Radio ID's

In the May 2015 issue of The Spectrum Monitor, the Federal Wavelengths column featured my first attempts at collecting federal radio identification numbers or RID's. I've started a page here on the Fed Files Blog to collect and catalog the RIDs that have been collected. You can see a link to this page in the top bar of the blog home page, or follow this link:

http://mt-fedfiles.blogspot.com/p/federal-p-25-radio-identifications.html

I've just recently acquired a new Whistler WS-1080 scanner that displays RID's effortlessly, so hopefully I can add to this list more in the near future.

If you have any federal radio ID's that you would be willing to add to this catalog, just email me at the address on the blog front page.


Saturday, February 28, 2015

March 2015 TSM Update/Correction

The March 2015 issue of The Spectrum Monitor is now available for publication. You can get a copy here: http://www.thespectrummonitor.com/index.aspx

In this issue I have some information on federal use of aviation resources and the frequencies that might be used. Unfortunately, one frequency got mangled in the publication process. The list of CBP AIR frequencies should have AIR 9 as 163.4750 MHz, N293.

You can check out the entire list in the CBP Updates tab on the blog home page: http://mt-fedfiles.blogspot.com/p/cbp-frequency-updates.html

Friday, January 16, 2015

FPS Atlanta Mystery

I am seeing reports on Radio Reference that the multi-site UHF trunked system managed by the Federal Protective Service (FPS) is not longer on the are in the metro Atlanta, GA area. Folks are asking what happened and where did the FPS operations go.

I haven't been down in the Atlanta area in a few years, but when I was there last, the Federal Protective Service appeared to be running a 4 site UHF Motorola Type II trunked system with both analog and digital voice. One of the subscriber agencies appeared to be Dobbins Air Force Base.
Here are the system specs as I had them:

FPS Atlanta
Motorola Type II
System ID - 750d
Voice NAC - N0d0
Site 1 - Atlanta
406.4125, 407.2125, 408.5375, 410.1250
Site 2
406.5625, 407.1625, 408.5625, 410.3625, 410.5625
Site 3
407.3625, 408.3625, 408.7625, 409.3625, 410.7625
Site 4 - Dobbins AFB
406.7625, 406.9625, 407.5625, 407.8625, 408.9625

Since my last time monitoring the system, it appears that Dobbins AFB has built out their own 380 MHz P25 trunked radio system, so they were no longer using the FPAS managed system.

Reports on Radio Reference include some VHF channels (173.7125, 173.9125 and 173.9875 MHz) that claim to be "TRS control channels", but are very weak in downtown Atlanta.

I suspect that if the FPS decided to dismantle the trunked system, they have probably returned to conventional UHF channels, most likely APCO P25.

Can anyone in the Atlanta area offer any further information?

UPDATE:
A listener in the area reports that the FPS is using 410.8000 MHz, N201 for their operations and has been for some time now. I checked my logs from my last trip to the area in 2012 and I did not get any hits on that frequency.

Friday, November 14, 2014

October 2014 Federal Wavelengths Correction

A sharp-eyed reader just brought it to me attention that there were a couple of errors in my listing of the frequencies used by the Environmental Protection Agency (EPA) in the October issue of The Spectrum Monitor magazine.

By all means, if you spot something with any frequency lists either here on the Fed Files blog page or in the pages of The Spectrum Monitor magazine, please feel free to let us know about it.

Here is the corrected list showing the correct EPA repeater input and output frequencies:


ZONE 2 – EPA Repeaters



Repeater Output   Repeater Input    Channel Name
173.8750, D731    166.4750, D731    EPA REPEATER

170.9750, CSQ     168.7000, CSQ     NI/CG REPEATER 1

170.4500, CSQ     168.1000, CSQ     NI/CG REPEATER 2

170.4250, CSQ     168.0750, CSQ     NI/CG REPEATER 3

168.4000, CSQ     166.6125, CSQ     NI/CG REPEATER 4

169.7500, CSQ     167.1000, CSQ     NI/CG REPEATER 5

173.8125, CSQ     168.4750, CSQ     NI/CG REPEATER 6

170.9750, CSQ                       NI/CG SIMPLEX 1           

170.4500, CSQ                       NI/CG SIMPLEX 2

170.4250, CSQ                       NI/CG SIMPLEX 3   

168.4000, CSQ                       NI/CG SIMPLEX 4

169.7500, CSQ                       NI/CG SIMPLEX 5

173.8125, CSQ                       NI/CG SIMPLEX 6

Saturday, November 01, 2014

South Florida FPS Changes

In addition to the upgrades to the Customs and Border Protection (CBP) radio network in Florida, it appears that the Federal Protective Service (FPS) has also upgraded to P25 digital.

410.8 MHz, N201 is now being used by the FPS in the Miami area. The same frequency is most likely used through out this FPS region. Some sites may have different NAC's.

You can read more about the CBP upgrades and frequency changes in the latest edition of The Spectrum Monitor, http://www.thespectrummonitor.com/index.aspx



Tuesday, September 30, 2014

CDC Frequencies

Some questions regarding the use of radios by the Centers For Disease Control and Prevention (CDC) have been posted in regards to the confirmation of Ebola in the Dallas, Texas area.

I know that the CDC uses federal UHF trunking at their fixed facilities around the Atlanta area. But a while back I posted possible CDC field use frequencies that might have been in use for the Swine Flu outbreak:

http://mt-fedfiles.blogspot.com/2009/04/swine-flu-frequencies.html

Department of Health & Human Services (All frequencies are in MHz);

30.420
30.430
34.050
36.180
36.220
36.250
36.270
36.350
36.750
38.830
40.370
41.350
41.390
41.430 (Nationwide)
41.470 (Nationwide)
41.530 (Nationwide)
41.650 (Nationwide)
41.690 (Nationwide)
41.790 (Nationwide)
41.830

163.0000
163.0750
163.1750
163.2500 (Nationwide Medical Paging Allocation)
163.3000
163.3750
163.7000
164.3000 (Nationwide)
164.5250
164.7000
164.8000
164.9625
164.9875 (Nationwide)
165.0625
165.2625
165.3125
165.3375
166.1000
166.8250
168.0000
168.3250
168.5250
169.6250
170.1250
171.2375 (Nationwide – shared)
171.7250
172.3000
172.7750

407.7000 / 416.7000
408.0500 / 417.0500
409.0000 / 418.0000
410.0250 / 419.0250
410.2000 / 419.2000
410.2250 / 419.2250
410.4000 / 419.4000
410.4250 / 419.4250
411.2250 – Simplex
411.4500 – Simplex
411.8250 – Simplex
413.4500 – Simplex
413.8750 – Simplex
415.4000 / 406.4000
415.8250 / 406.8250
415.9250 / 406.9250
416.9750 / 407.9750
417.6500 / 408.6500
417.7000 / 408.7000
419.1500 / 410.1500
419.6000 / 410.6000
419.6250 / 410.6250
419.8000 / 410.8000

Saturday, September 27, 2014

Email Apologies To All

To anyone and everyone who might have been sending me emails to the chrisparris@thefedfiles.com address - I realized that I have not been seeing any emails from that address for a while and just assumed no one was sending me anything. But a Fed Files fan on Twitter asked about an email he sent that I hadn't seen on any of my computers or email devices. I discovered that my emails were just sitting there and I wasn't seeing them. I've been trying to catch up on these as I can. 

Please continue to use this email address for future communications: chrisparris@thefedfiles.com



Friday, September 05, 2014

CBP Florida Makes The P25 Switch

Over the last couple of years I have heard that the CBP was coordinating and installing new P25 digital gear in the state of Florida.

I just spotted a post on Radio Reference that indicates the Customs and Border Protection radio systems in Florida have finally moved towards the digital domain after being analog for many years:

http://forums.radioreference.com/federal-monitoring-forum/297786-news-flash-florida-bp-throws-p25-switch.html

There are what appear to be some of the new CBP DNET channels in the +170 MHz end of the band, so I will list them as they can be ID'd in the CBP Frequency Update area on the blog main page.

Monday, July 21, 2014

Air Force One Phone Systems

An interesting post has appeared on line about the new phone systems in use aboard Air Force One. It's an interesting read:

http://electrospaces.blogspot.com/2014/07/new-phones-aboard-air-force-one.html

There is also an story on something I've always wondered about, how they got a secured Blackberry for President Obama:

http://electrospaces.blogspot.com/2013/04/how-obamas-blackberry-got-secured.html

Friday, July 04, 2014

NIFC NATIONAL AIR-TO-GROUND FREQUENCIES

The National Interagency Fire Center maintains a standard issue of nationwide air-to-ground (A/G) channels for use in firefighting and other incidents on federal lands. I have been asked for some time if I had the complete list of these A/G channels, so I decided to sit down and go through all the materials I had access to and see if I could come up with a good list.

What I discovered is that there are some variations of these A/G frequencies, and even some official US government publications don't agree. So keep in mind that this list is not cast in stone, but may have some variations...

-->
A/G 01            154.3100

A/G 02            166.6375

A/G 03            166.6750

A/G 04            159.3450

A/G 04            166.6875

A/G 05            166.7500

A/G 06            166.8000

A/G 07            166.8500

A/G 08            166.8750

A/G 09            166.9125

A/G 10            166.9375

A/G 11            166.9500

A/G 12            167.0750

A/G 13            167.4250

A/G 14            167.5000

A/G 15            167.5250

A/G 16            167.9500

A/G 17            167.9875

A/G 18            168.0125

A/G 19            168.1250

A/G 20            168.1750

A/G 21            168.1500

A/G 22            166.6125

A/G 23            166.7625

A/G 23            168.5500

A/G 24            168.6375

A/G 25            168.7250

A/G 25            168.7500

A/G 26            166.6875

A/G 26            169.8750

A/G 27            166.8250

A/G 27            169.9500

A/G 27            172.2750

A/G 28            170.0000

A/G 29            170.5250

A/G 30            171.1375

A/G 31            171.5250

A/G 32            166.9625

A/G 32            166.9625

A/G 32            171.5500

A/G 33            171.5750

A/G 34            167.1750

A/G 34            171.7875

A/G 35            167.2250

A/G 35            172.2250

A/G 36            172.2500

A/G 37            167.3000

A/G 37            172.2750

A/G 38            167.3750

A/G 38            172.3250

A/G 39            172.4000

A/G 40            167.4500

A/G 41            167.4750

A/G 42            167.5500

A/G 43            167.6000

A/G 44            167.6250

A/G 45            167.6500

A/G 46            167.7000

A/G 47            167.7250

A/G 48            167.8875

A/G 49            168.0375

A/G 50            168.2750

A/G 50            168.2875

A/G 51            168.3125

A/G 52            168.3875

A/G 53            168.4875

A/G 54            168.5375

A/G 55            168.5625

A/G 56            168.6625

A/G 57            168.0875

A/G 57            168.7250

A/G 58            168.0875

A/G 58            169.0875

A/G 59            169.1125

A/G 60            169.1250

A/G 61            169.2875

A/G 62            169.3625

A/G 63            171.4250

A/G 64            171.4750

A/G 65            172.3750

A/G 66            166.6750

A/G 67            159.2250

A/G 68            159.3900

A/G 69            159.4500

A/G 70            167.9500

A/G 71            168.6750

A/G 72            169.1500

A/G 73            169.2000

Some additional information on these and other NIFC assignments can be found on the Radio Reference wiki page here:

http://wiki.radioreference.com/index.php?title=National_Incident_Radio_Support_Cache&diff=98706&oldid=98699

Thursday, May 22, 2014

Thursday, May 15, 2014

NIFOG 1.5 Available

The latest version of the National Interoperability Field Operations Guide (NIFOG) is now available for downloading. You can find links to the various formats of downloads here:

http://www.dhs.gov/national-interoperability-field-operations-guide

This new version contains updated information as well as new information that anyone interested in communications monitoring will find useful.

Tuesday, May 13, 2014

WHCA Blog

I just stumbled upon a blog page that I haven't seen before. It has some interesting information about the White House Communications Agency (WHCA) history and some interesting facilities and photos. Check it out here:

http://whcacannonball.blogspot.com

Friday, May 02, 2014

BATFE Update

Just as the May issue of The Spectrum Monitor came out, with my column concerning the Bureau of Alcohol Tobacco Firearms and Explosives (BATFE), I received an update regarding the channel usage by this agency.

For as long as I've been listening to federal stuff, the ATF has always used 165.2875 MHz as their primary channel. However, with the eventual refarming of the VHF 162-174 MHz federal band to make a standard repeater offset (see the January Federal Wavelengths column for more information), this was bound to change. Information is that at least one major metro area, the ATF has already changed their primary repeater output to 170.9625 MHz, N650 with 165.2875 MHz as the input frequency. I have not run into this change in my travels yet, but will definitely keep an eye out for it.

Wednesday, April 23, 2014

SoCal DEA going VHF?

I just caught some traffic on a VHF channel with some radio techs regarding receive sites and signal strengths as well as a radio interface bridge. The conversation was on 173.1625 MHz, N156, and I only heard one side of the conversation most of the time, but did hear a couple of replies from a field unit. I also heard one person ask if they were on the "APX" radio. APX is the Motorola radio series that features multi-band operation in a single radio.

This joins the frequencies of 170.6500 MHz and 170.9500 MHz that are most likely VHF DEA channels that have been heard in the Southern California area.

Thursday, April 17, 2014

SoCal CBP Marine Common?

While in the Los Angeles area for work, I was picking up some of the many VHF P-25 frequencies being used throughout the southern end of the state by the CBP wide area system. This system is technically separate, but fiscally part of the Integrated Wireless Network (IWN). These are not trunked, but likely a vote-scan system used mainly by CBP Field Operations and Border Patrol. I have noted what is probable use by other agencies as well, such as Coast Guard and likely ICE.

I was checking what I was hearing against what I think is a pretty good source for the area, the SoCal Fedcom Blog, http://socalfedcom.blogspot.com. Among some of the updated frequencies, there is a reference to something the blog author is referring to as the MCS or Marine Common System. I would presume this refers to a common radio system for CBP, Coast Guard and other agencies working the various maritime operations.

Here are the frequencies noted as being part of the MCS:

162.6250 MHz, N820 - common input
171.3250 MHz, N820 - Mt. Solidad repeater
172.0625 MHz, N820 - Santa Ynez repeater
172.7125 MHz, N820 - San Pedro repeater

Reports indicate a fourth repeater located on San Nicolas Island, but the frequency is unconfirmed.

I'm still researching and trying to find more information on this system. 

UPDATE!

While searching early one morning in LA, I found 171.1875 MHz, N820 active with encrypted voice. This might be the missing San Nicolas Island repeater, as I had a nice marine layer working the day I found this!

Thursday, March 20, 2014

New BoP System Near Philadelphia?

I'm monitoring a P25 trunking control channel in the Philadelphia area that doesn't match up with what I've heard in the past and is not listed on Radio Reference.

The control channel is currently on 410.0000 MHz, shows a System ID of 4C6, WACN of BEE00. The only system frequencies I have heard so far are 406.8125, 409.2125 and the control channel on 410.0000 MHz. The voice channel NAC is N4C1. These frequencies have been used in other Bureau of Prisons trunked systems in other parts of the country.

Anyone have any information on this one? I am guessing that the Federal Detention Center in Philadelphia has upgraded their Motorola Type II trunked system to a P25 system on some new frequencies.

Saturday, March 01, 2014

Harlingen TX Logs

I received a few frequencies logged from a friend on a trip down to South Padre Island and Harlingen, Texas. Here is what was picked up:

162.2875, NAC A50 - New CBP Border Patrol
163.1375, NAC 293 - US Coast Guard NET 113
163.4750, NAC A61 - New CBP Border Patrol
169.2625, NAC 293 - CBP OAM AIR 3
171.2375, NAC 293 - US Coast Guard NET 127
172.7125, NAC A60 - New CBP Border Patrol
410.4125, NAC 156 - DEA, new F11

Here are some additional CBP Border Patrol Rio Grande Valley area frequencies that have been posted previously:

163.0625, NA40
163.5250, NA10
163.6500, NA60
163.9750, NA21
164.4375, NA51
164.7375, NA41
166.9875, N310
168.3875, N312
169.5750, NA80
169.6000, NA20
169.6375, NA31 - CBP WESLACO 2
169.6625, NA30 - CBP WESLACO 1
170.1250, NA40
170.3375, NA50
170.4375, NA61
170.5375, NA40 - CBP HARLINGEN 1
170.9875, NA60
171.1875, NA20 - CBP McALLEN
171.1875, NB20
171.3250, NA11 - CBP RIO GRANDE CITY 2
171.3250, NA41 - CBP HARLINGEN
171.6625, NA12 - CBP RIO GRANDE CITY 1
171.6625, NA51
171.7125, NA22 - CBP McALLEN 2 
171.9625, NA10 - CBP RIO GRANDE CITY
171.9875, N311
172.2375, NC20
172.2625, NA21 - CBP McALLEN 1

Thursday, February 20, 2014

Houston Federal Activity

I came across a couple of interesting posts regarding federal activity in the Houston, Texas area.

The first was some security detail activity on 168.3500 MHz, N100. Over the years I have caught several security details using this common federal frequency. In at least two cases it was the US Capitol Police providing security for members of Congress. However, I was not able to confirm the P25 NAC on those catches.

Best guess is that this Houston activity was the protective detail for Health and Human Services (HHS) Secretary Sebelius. The original poster also mentioned the code name FLOODGATE was associated with this detail.

Second catch from Houston was on 170.8500 MHz, N864, with some testing in the clear that identified this as "USMS Channel B", with USMS being the US Marshals Service. The P25 NAC of N864 has been speculated as being the US Marshals for a while, but not much has been provided for proof. This catch helps tilt the scales a bit towards confirmation.

Tuesday, February 11, 2014

New Federal VHF TRS

Some recent postings on Radio Reference are providing some details of a new VHF P-25 trunked system somewhere in northern Virginia. Here are the system details that are known;

System ID - 00A
WACN - 0000A

System NAC - 01F
Tower - 101

Main CC - 170.46250
Alt CC - 171.17500
Alt CC - 172.35000
Alt CC - 173.51250


All traffic has been encrypted so far, and no other towers appear to be a part of this system. Some have indicated the information gleaned from running the PRO96COM software package on this system show that it has APCO P25 Phase II TDMA capabilities.

I have noted that the System ID of 00A has shown up on several new trunked systems around the country and I had heard that this System ID is the "default" ID for Harris P25 systems.

I will post more information when it comes in!


Wednesday, January 29, 2014

US Capitol Police Trunked System

I saw a posting from Alan Henney about the new VHF trunked system in use by the US Capitol Police. The system is apparently in limited use and Alan was able to watch the system activity using PRO96COM software during the State of the Union speech on January 26th. Here's what he found:

System ID = 582
WACN = BEE00

Frequency       Input Frequency        Hit Count
172.6875        165.0875        193
172.3875        164.8125        184
172.9625        165.5375        183
173.1625        165.7750        12 (alternate control)
173.8125        166.4250        79 (alternate control)
170.1375        162.8000        199
169.5750        136.0000        191
173.4750        166.2250        42 (alternate control)
169.8375        162.6125        189
170.3750        163.1625        202
171.7875        164.6125        212
171.4125        164.3250        199
171.0000        164.0125        171
170.5750        163.6000        0 (primary control)

Alan also posted that the new system is being used along with the old, analog repeaters as well. So it appears that the USCP has not moved all operations to the new system full time yet.

Tuesday, January 28, 2014

Super Bowl XLVIII CAP Flights

It appears that the expected combat air patrol flights will begin with some training on Wednesday, the 29th;

"Individuals in and around the East Rutherford area can expect flights to begin Jan. 29 around 4:30 a.m. EST and continue for approximately one hour.
Exercise Amalgam Virgo 14-01, a NORAD air-defense exercise, will be conducted Wednesday in the greater East Rutherford area so interagency partners can practice procedures for responding to airspace violations."

http://www.norad.mil/Newsroom/PressReleases/tabid/3993/Article/7695/conr-to-fly-air-defense-exercise-in-preparation-for-super-bowl-xlviii.aspx

Thursday, January 23, 2014

Super Bowl XLVIII

Things are starting to ramp up at Super Bowl XLVIII in E. Rutherford, New Jersey. The Department of Energy began doing aerial surveys of nominal radiation over most of northern New Jersey this week. Today (1/23) they were operating in the vacinity of MetLife Stadium, where the game will take place on February 2nd.


Tuesday, January 07, 2014

Happy 2014

I'm a few days late, but wanted to wish all the Fed Files fans a very Happy New Year!

This year marks the start of my Federal Wavelengths column that appears monthly in The Spectrum Monitor e-magazine. If you haven't checked it out yet, you can click on the link below and see what it is all about. You can subscribe to the magazine or purchase a single issue if you like:

http://www.thespectrummonitor.com


Monday, December 23, 2013

Updated Email Address

Just a reminder to all the folks out there who want to get in touch with me. My old email address at Monitoring Times will be going away soon, so emails should now go to my new address.
chrisparris @ thefedfiles.com.

The Spectrum Monitor is Out!

The first issue of The Spectrum Monitor is now available for download. If you have a subscription, you should have received an email with instructions on downloading your copy. If you want to purchase a single copy, you can do so by visiting the web site at http://www.thespectrummonitor.com



The magazine is in a digital PDF format that can be viewed on almost any current digital device, including computers, tablets and smart phones.

Monday, November 25, 2013

Luke AFB Moves to P25 Trunked System

Reports from the Phoenix, AZ area indicate that a new, APCO P-25 trunked radio system is in operation at Luke AFB near Glendale, a suburb of Phoenix. This new system has superseded the older UHF Motorola trunked system that has been serving the base for years.

According to listener provided information, here are the system specifics:

SYSTEM ID = 3D6
WASN = BEE00
SITE NAC = N3DE
SITE = 014
RFSS = 001

406.3625
406.5625
407.1625
407.3625
407.7625
407.9625
408.5625
408.7625
408.9625 - ALT CC
409.3625 - ALT CC
409.5625 - ALT CC
410.1625 - PRI CC


http://www.radioreference.com/apps/db/?sid=7769

Interestingly, this trunked system shares the same System ID with two other trunked systems, also located at Air Force Bases in Florida and Mississippi. Information in the Radio Reference thread indicates this a planned wide-area system to service many USAF installations, in a similar way the ELMR 014C trunked system serves the Navy & Marines.

I also just noted that the P25 trunked system down in Tucson, AZ at Davis-Monthan AFB is showing a System ID of 3F6, and a Site ID of 002. Part of the same network? Maybe someday...

Thursday, November 21, 2013

US Capitol Police Trunked System On The Air

I just started monitoring the new US Capitol Police VHF P-25 trunked system that should replace the analog VHF conventional channels that are currently in use.

Here is what the system that is on the air is showing for details at this time:
SYS ID - 582
SITE NAC - N580
SITE - 001
WACN - BEE00

173.1625
173.8125
173.4750
170.5750

No affiliations or channel grants are being shown right now, as previous new reports were that the system is on line for coverage testing.


Wednesday, November 20, 2013

Coast Guard Data Bursts?

I have recently seen complaints from multiple locations about hearing some sort of digital noise or interference on the Coast Guard primary air operations frequency of 345.0 MHz. I thought I was not hearing it myself, but I set up one of my tunable wide-band receivers on this frequency and did hear it clearly when I opened the receiver squelch all the way.

What I am hearing is a series of short bursts  of noise, almost like a burst of machine gun fire. The length seems to be from 4 to 6 "bursts" in a group, although some have been two groups of 4 or more in a row. I can also heard weaker stations followed by bursts from stronger stations. Sometimes the bursts are at a moderate tempo, and some seem to be very rapid compared to others.

Here are some short clips of what I heard. Turn the volume up when watching these:




At first I wasn't sure if these noises were intentional or just some form of interference, but after  hearing them and listening to the patterns, I am guessing they are intentional usage of the frequency by the Coast Guard. As to what this is used for and why they are using this frequency remains a mystery. Anyone want to guess at what's going on here?

Sunday, November 17, 2013

State Department 409.5250 MHz Work in LA


While in the Inland Empire near LA, I caught someone doing some work on the State Department's Diplomatic Security Service (DSS) repeater on 409.5250 MHz, N293. Besides a test tone, they were looping a test audio track of a man and a woman reading sentences that test the readability and the quality of the digital encoding & decoding. You can hear some of the errors that occurred while I was monitoring.

Eventually it sounded like they got the errors to a minimum, at least by listening to the audio tests. This went on over a couple of days this past week.

Wednesday, November 13, 2013

Monitoring Times Final Issue

The last ever issue of Monitoring Times magazine has hit the streets today. Farewell old friend, it was a great ride!



Monday, November 04, 2013

US Capitol Police Begin Testing of New Radio System

According to this article, the US Capitol Police are beginning testing of their new radio system:

http://www.rollcall.com/news/capitol_police_begin_testing_long_delayed_radio_upgrade-228775-1.html

The article states that they are testing system coverage of portable radios in each room of the Capitol building.

The system was planned to be a P25 VHF trunked system, with encryption being likely. Here is what information we have for frequencies from the original proposals of the trunked system. This list shows proposed trunked system channel, repeater transmit frequency & input frequency;
 
1 - 169.5750 / 162.2500
2 - 169.8375 / 162.6125
3 - 170.1375 / 162.8000
4 - 170.3750 / 163.1625
5 - 170.5750 / 163.6000
6 - 171.0000 / 164.0125
7 - 171.4125 / 164.3250
8 - 171.7875 / 164.6125
9 - 172.3875 / 164.8125
10 - 172.6875 / 165.0375
11 - 172.9625 / 165.5375
12 - 173.1625 / 165.7750
13 - 173.4750 / 166.2250
14 - 173.8125 / 166.4250


Details of this new system (System ID, WACN, NAC, etc.) are still waiting to make it to the radio forums, but I will update when information becomes available.


Sunday, October 27, 2013

NOAA Weather Transmitter Causing Interference

According to this release from NOAA, the New York City area weather transmitter seems to be causing some interference issues with the Coast Guard:

NOUS41 KOKX 041949
PNSOKX
CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-092100-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
345 PM EDT FRI OCT 4 2013

...NOAA WEATHER RADIO NEW YORK CITY REMAINS OUT OF SERVICE...

THE NOAA WEATHER RADIO TRANSMITTER THAT SERVES THE NEW YORK CITY
METROPOLITAN AREA HAS BEEN CAUSING RADIO FREQUENCY INTERFERENCE ON
THE U.S. COAST GUARD CHANNEL 16 TRANSMITTER FOR INTERNATIONAL
DISTRESS...SAFETY AND CALLING SINCE LATE JULY.

THE NEW YORK CITY TRANSMITTER BROADCASTS ON A FREQUENCY OF 162.550
MHZ AND THE U.S.COAST GUARD TRANSMITTER BROADCASTS ON A FREQUENCY OF
156.800 MHZ. OTHER TRANSMITTERS...IN VERY CLOSE PROXIMITY TO THE NYC
TRANSMITTER BROADCAST ON A FREQUENCY OF 168.3 MHZ.

THE NATIONAL WEATHER SERVICE IS WORKING WITH SEVERAL U.S. GOVERNMENT
AGENCIES TO ISOLATE AND RESOLVE THIS TECHNICAL PROBLEM. WE HAVE
INSTALLED A FILTER ON THE NYC TRANSMITTER...WHICH REDUCED...BUT DID
NOT ELIMINATE THIS PROBLEM. WE WORKED WITH ANOTHER FEDERAL AGENCY
AND OVERSAW THE INSTALLATION OF ANOTHER FILTER...ON A TRANSMITTER
BROADCASTING OVER 168.3 MHZ...WHICH DID NOT FURTHER REDUCE THE RADIO
FREQUENCY INTERFERENCE.

WE CONTINUE TO WORK WITH THE U.S. COAST GUARD TO RESOLVE THIS
PROBLEM AND APOLOGIZE FOR THE INTERRUPTION OF OUR ROUTINE WEATHER
BROADCASTS.


...NOAA WEATHER RADIO WILL BE PLACED IN OPERATION TO BROADCAST 
SHORT FUSE LIFE THREATENING WEATHER WATCHES AND WARNINGS...

NOTE THAT THE NYC TRANSMITTER WILL BE PLACED IN OPERATION FOR THE
ISSUANCE OF SHORT FUSE LIFE THREATENING WEATHER WATCHES AND
WARNINGS...SUCH AS TORNADO...SEVERE THUNDERSTORM AND FLASH FLOOD
WATCHES AND WARNINGS...TO ENSURE DISSEMINATION THROUGH THE EMERGENCY
ALERT SYSTEM...WHICH IS CARRIED BY THE BROADCAST MEDIA.

THANKS FOR YOUR PATIENCE AND FOR LISTENING TO NOAA WEATHER RADIO.

WE WILL PERIODICALLY PROVIDE YOU WITH UPDATES ON THE STATUS OF THE
NEW YORK CITY NOAA WEATHER RADIO TRANSMITTER VIA THESE PUBLIC
INFORMATION STATEMENTS.

$$
GC

The 168.3000 MHz transmitter mentioned in this release is an FBI P25 repeater. It appears that the mixing between the FBI repeater and the NWS broadcasts are causing interference issues on marine channel 16. Various filtering solutions have apparently not solved the problem.

Wednesday, October 23, 2013

Boulder, CO Area Trunked Systems

I recently found myself with some spare time and a rental car in the northwest part of Denver. I decided to cruise up and see what I could find active in the federal bands.

There are a more than a few federal facilities in the Denver area, and in the Boulder area, the Department of Commerce has multiple facilities for NOAA and the National Institute of Standards and Technology (NIST).

I came across at least 3 VHF and UHF trunked sites that may be related to NIST and Department of Commerce agencies in the area. The first was a P-25 VHF trunked system using the System ID of AD5, and here are the details:

System ID             : AD5
WACN                  : BEE07
Tower Number (Decimal): 2-1
Tower Number (Hex)    : T0201
Control Capabilities  : Data,Voice,Registration
Timestamp             : Sat Oct 19 09:36:45 2013

-Tables
#Format: Table ID,Base Freq,Spacing,Input Offset,Assumed/Confirmed,BandWidth,Slots
00,162.00000,0.01250,-6.97500,"Confirmed",0.01250,1
01,162.00000,0.01250,-8.77500,"Confirmed",0.01250,1
02,162.00000,0.01250,-1.06250,"Confirmed",0.01250,1
03,162.00000,0.01250,-8.80000,"Confirmed",0.01250,1
04,162.00000,0.01250,-4.60000,"Confirmed",0.01250,1
05,162.00000,0.01250,-5.68750,"Confirmed",0.01250,1

-Frequencies
#Format: Channel,Usage,Frequency(/Slot),Input Channel,Input Frequency(/Slot),Input Explicit(1/0),Hit Count
"01-0807","c",172.08750,"01-0807",163.31250,0,0

-Neighbors
#Format: TowerID,TowerIDHex,System ID,Channel,Frequency,Tower Name
202,"T0202",ad5,"03-0808",172.10000

System ID             : AD5
WACN                  : BEE07
Tower Number (Decimal): 2-2
Tower Number (Hex)    : T0202
Control Capabilities  : Data,Voice,Registration
Timestamp             : Sat Oct 19 09:38:13 2013

-Tables
#Format: Table ID,Base Freq,Spacing,Input Offset,Assumed/Confirmed,BandWidth,Slots
00,162.00000,0.01250,-6.97500,"Confirmed",0.01250,1
01,162.00000,0.01250,-8.77500,"Confirmed",0.01250,1
02,162.00000,0.01250,-1.06250,"Confirmed",0.01250,1
03,162.00000,0.01250,-8.80000,"Confirmed",0.01250,1
04,162.00000,0.01250,-4.60000,"Confirmed",0.01250,1
05,162.00000,0.01250,-5.68750,"Confirmed",0.01250,1

-Frequencies
#Format: Channel,Usage,Frequency(/Slot),Input Channel,Input Frequency(/Slot),Input Explicit(1/0),Hit Count
"03-0808","c",172.10000,"03-0808",163.30000,0,0

-Neighbors
#Format: TowerID,TowerIDHex,System ID,Channel,Frequency,Tower Name
201,"T0201",ad5,"01-0807",172.08750

As you can see from the above PRO96COM files, there are two VHF sites that show each other as neighbors. I could copy both from the Boulder area. In addition to these two VHF sites, there was a UHF site using the same System ID, but showing no connection to the VHF sites;

System ID             : AD5
WACN                  : BEE07
Tower Number (Decimal): 3-3
Tower Number (Hex)    : T0303
Control Capabilities  : Data,Voice,Registration
Timestamp             : Sat Oct 19 10:50:26 2013

-Tables
#Format: Table ID,Base Freq,Spacing,Input Offset,Assumed/Confirmed,BandWidth,Slots
00,400.00000,0.01250,9.00000,"Confirmed",0.01250,1

-Frequencies
#Format: Channel,Usage,Frequency(/Slot),Input Channel,Input Frequency(/Slot),Input Explicit(1/0),Hit Count
"00-0818","c",410.22500,"00-0818",419.22500

I also found two UHF P-25 trunked sites using the System ID of AD1. Here is that information;

System ID             : AD1
WACN                  : BEE07
Tower Number (Decimal): 4-101
Tower Number (Hex)    : T0465
Control Capabilities  : Voice,Registration,Authentication
Timestamp             : Sat Oct 19 09:41:12 2013

-Tables
#Format: Table ID,Base Freq,Spacing,Input Offset,Assumed/Confirmed,BandWidth,Slots
00,400.00000,0.01250,9.00000,"Confirmed",0.01250,1
01,400.00000,0.01250,0.00000,"Confirmed",0.01250,1

-Frequencies
#Format: Channel,Usage,Frequency(/Slot),Input Channel,Input Frequency(/Slot),Input Explicit(1/0),Hit Count
"00-0858","c",410.72500,"00-0858",419.72500,0,0

System ID             : AD1
WACN                  : BEE07
Tower Number (Decimal): 5-100
Tower Number (Hex)    : T0564
Control Capabilities  : Voice,Registration,Authentication
Timestamp             : Sat Oct 19 09:39:12 2013

-Tables
#Format: Table ID,Base Freq,Spacing,Input Offset,Assumed/Confirmed,BandWidth,Slots
00,400.00000,0.01250,0.00000,"Confirmed",0.01250,1
01,400.00000,0.01250,0.00000,"Confirmed",0.01250,1

-Frequencies
#Format: Channel,Usage,Frequency(/Slot),Input Channel,Input Frequency(/Slot),Input Explicit(1/0),Hit Count
"00-0805","c",410.06250,"00-1525",419.06250,1,0

-Neighbors
#Format: TowerID,TowerIDHex,System ID,Channel,Frequency,Tower Name
4101,"T0465",ad1,"00-0858",410.72500

Notice that tower 5100 shows tower 4101 as a neighboring site, but tower 4101 does not show 5100 as a neighbor. (I have been advised that P-25 trunked system programming now allows for non-reciprocal neighbors in trunked systems.)

I am fairly certain that the AD5 VHF systems are being used by the National Oceanic and Atmospheric  Administration and their projects in the area, as they submitted a request for bidder information on radio system components using these same VHF frequencies back in 2008,

https://www.fbo.gov/index?s=opportunity&mode=form&id=b9fc10eca8957361d0183329c46dcbaf&tab=core&_cview=0

What relationship the UHF AD5 site has to the VHF sites is unknown. The users of the UHF AD1 system is currently unknown.

Unfortunately, all of these systems were running in idle with no traffic heard. This was a weekend near the end of the federal government shutdown, so I didn't expect too much.

There was some discussion on the Radio Reference forums about some new federal trunked systems being heard in the Boulder, Ft. Collins areas north of Denver, but no one seemed to have any information on them.

Press release on The Spectrum Monitor

-->
PRESS RELEASE
10-23-13
For Immediate Release
Contact: Ken Reitz
e-mail:  ks4zr1@gmail.com
Phone: 540-967-2469

NEW RADIO MAGAZINE TO LAUNCH



            A new electronic publication, The Spectrum Monitor, will follow the final issue of Monitoring

 Times, a paper and electronic publication covering amateur, shortwave and scanner-related topics, which ceases publication after a thirty-three year run following the retirement of its publisher, Bob Grove.


            Managing editor, Ken Reitz KS4ZR, made the announcement in the November issue of

 Monitoring Times. "As the accolades poured in, all readers, regardless of how long they had been

 subscribers, expressed sadness and dismay at the closure of the magazine. I came to believe that there might be enough interest to warrant continuing the publication in some other form. I took it upon myself to explore the possibility of a follow-on magazine, not connected with Monitoring Times or Grove Enterprises, it's publisher."


            The Spectrum Monitor will debut with the January 2014 issue, on December 15, 2013, and will carry virtually all of the current Monitoring Times columnists and feature writers. Reitz noted, "These are the experts in all facets of radio who have helped make MT the best, full-spectrum magazine available and we are all excited about continuing our work for the new publication."


            The Spectrum Monitor will be available only as an electronic publication in PDF format which may be read on any desktop, laptop, iPad™, Kindle Fire™ or any other device capable of opening a PDF file. Details on how to become a charter subscriber may be found at www.thespectrummonitor.com.


Monday, October 14, 2013

The Spectrum Monitor

As you know, Monitoring Times magazine is ending publication with the upcoming December 2013 issue. Some of the MT editors & writers (including myself) will continue with an on-line magazine, The Spectrum Monitor. The magazine will be available as a PDF file that can be downloaded to your computer, tablet or smart phone.

The web site for the magazine is now on line, and you can check it out at the magazine web site:

http://www.thespectrummonitor.com

Saturday, October 05, 2013

US Capitol Police Channels

I've had some inquiries about where to listen when looking for the US Capitol Police. As mentioned in a previous blog post, they are one of the few remaining federal law enforcement agencies in Washington DC that are still analog.

Here is a quick rundown of what the US Capitol Police have been heard using in DC and when providing protective details around the country. Channels 1, 2, 3, 4 and 5 are all repeaters, and channels 6, 7, 8, 9 & 10 are simplex on the same frequency. Channel 11 is reported to be a repeater channel as well. The two TRAVEL channels listed are simplex. I have caught them on TRAVEL 3 with Representative Gabrielle Giffords when she was in rehabilitation.


169.2250 MHz, 110.9 PL - F1 / F6

165.5375 MHz, 146.2 PL - F2 / F7
170.1750 MHz, 156.7 PL - F3 / F8
162.2500 MHz, 173.8 PL - F4 / F9
162.6125 MHz, 127.3 PL - F5 / F10

173.5250 MHz, 167.9 PL - F11 & TRAVEL 2
173.8750 MHz, 094.8 PL - TRAVEL 3 
163.1000 MHz - Federal Common channel
164.6000 MHz
164.6250 MHz, D023 & D074
164.8000 MHz
168.3500 MHz - Federal Common channel 

In addition to these, you can check out the proposed new channel lineup that appeared a couple of years ago when they posted requests for bids for the new P25 radio system:

http://mt-fedfiles.blogspot.com/2011/09/new-uscp-radio-system.html




Radio Problems Cited in Capitol Shooting Incident

Media outlets are reporting stories of poor equipment performance and radio system incompatibility during the car chase and shooting that occurred near the White House and US Capitol this past week.

One article describes the older radios that the US Capitol Police are using and why they have not been upgraded:

http://www.nbcwashington.com/investigations/Capitol-Police-Radio-Modernization-Slowed-by-Cost-Overruns-Delays-226521891.html

A second article now states that the US Capitol Police and Secret Service were not able to talk to each other during the incident:

http://investigations.nbcnews.com/_news/2013/10/04/20823007-secret-service-capitol-police-radios-couldnt-communicate-during-dc-chase?lite

The US Capitol Police have been utilizing analog radios now for many years. In these days of "federal interoperability" and P-25 radios, they had plans in place to upgrade to new radios with digital repeaters sometime soon. Rumors around the DC scanning list  had the new radios being deployed for the presidential inauguration in January, but obviously that did not happen.

As far as the Secret Service and Capitol Police being able to talk to each other, I would bet that they do have some common channels in their radios, but they may not know it. This reminded me of the DHS report on radio training in the agency:

http://www.oig.dhs.gov/assets/Mgmt/2013/OIG_13-06_Nov12.pdf

I would also venture that normally they do not need to talk to each other directly. Standard procedure would most likely be that the dispatchers for each agencies would be talking to each other, either via land line or a common channel, and advising field personnel. Having the officers in the field switching around to different radio channels during this chase/shooting would probably not be recommended by most training curriculum.

Wednesday, October 02, 2013

DEA, FBI & FPS Updates

I've added some additional information to the DEA frequency updates featured at the top of the home page of the Fed Files blog.

A source sent some confirmed frequency information from the northern Florida area:

410.4125, N156 - DEA repeater in Tallahassee, FL
411.1750. N156 - DEA simplex operations

410.8000, N201- Federal Protective Service, Pensacola, FL

167.7875, N167 - FBI, Orlando, FL
173.5000, N167 - FBI, Orlando, FL

Saturday, September 14, 2013

Armed Federal Agencies

With all the controversy surrounding the EPA and their use of armed agents in Alaska recently, I saw  this story about all the federal agencies that you didn't know had armed law enforcement personnel:

http://www.foxnews.com/politics/2013/09/14/armed-epa-agents-in-alaska-shed-light-on-70-fed-agencies-with-armed-divisions/

As I have mentioned in several Fed Files columns, nearly every federal agency has some division that is charged with investigating and enforcing the federal agency's own rules and regulations.

Friday, September 13, 2013

DoE Seeking New Radio System

The Department of Energy is seeking vendors for replacement of their current Motorola trunked radio system at their Oak Ridge, Tennessee facilities. The current system is to be replaced with a wide-area APCO P-25 digital system, according to the bid specifications.

There were some indications posted on Radio Reference about hearing some P25 control channels in the UHF band near Oak Ridge.

Here is some information from the General Services Administration (GSA):

https://www.fbo.gov/spg/DOE/PAM/HQ/DE-SOL-0006098/listing.html

DHS OIG Report on Communications Management

The Department of Homeland Security continues to have difficulties in managing their communications resources, says a new report out from the DHS Inspector General. You can read a copy of the new report here:

http://www.oig.dhs.gov/assets/Mgmt/2013/OIG_13-113_Aug13.pdf

In the report, examples of mismanagement include two component agencies of DHS that have been storing more than 8,000 pieces of radio equipment for a year or longer at their maintenance and warehouse facilities, while other DHS communications programs suffer from critical equipment shortages.

Tuesday, September 10, 2013

The Fed Files on Twitter

Preparing for life after Monitoring Times, I have established a Twitter account for posting breaking news and updates on the federal frequency monitoring scene.

You can follow my tweets @TheFedFiles.

Saturday, August 24, 2013

CBP Changes in Houston Area

I'm seeing reports of major changes in the Customs & Border Protection (CBP) repeaters in the Houston, Texas area. It appears that they have changed out the primary area analog repeaters on 165.2375 (NET 1) and 165.6875 (NET 4). Reports are that these have been replaced with 170.1250 MHz, N304 or 100.0 PL  (mixed-mode repeater) and 171.6625 MHz, N301. Also, 170.1000 MHz, N301 has been heard in the Galveston area, possibly as "D-NET 200". Neither 170.1250 or 171.6625 has previously been part of the standard CBP VHF channel lineup, but they both have appeared in the new, wide-area CBP networks along the southern US-Mexico border in Arizona and Texas. This could be signaling a major re-channeling of the CBP network in some areas. Stay tuned for further developments...

UPDATE!
Another new DNET channel has been identified near Houston. 170.4625 MHz, N301 is being called "DNET 201". I caught some testing on 170.1250 MHz, N301 near Bush Intercontinental Airport last week.

UPDATE 2!
These changes are not just in the Texas Gulf Coast area. Reports from Wichita Falls, Texas have 172.0625 MHz, N301 as D-NET 202. Keep listening for more CBP changes.

UPDATE 3!
Houston area sources confirm that 171.6625 MHz, N301 is identified as D-NET 207. Also reports of hearing simplex activity on 167.8875 MHz, N301 in the Wichita Falls, TX area. This might be a new simplex CBP channel, as it has not previously been an exclusive FBI allocation, despite being in the normal range of FBI operating frequencies (167-168 MHz)

UPDATE 4!
172.8625 MHz, N301 was heard in the DFW area. No channel name associated with this yet.

Saturday, August 17, 2013

NFM in the UHF Miltiary Air Band?

Recently I have received reports of uses of narrow-band FM for voice traffic on various frequencies in the 225-380 MHz military air band. Most recently a report showed up on the MILCOM mailing list detailing how a Coast Guard C-130J was heard using NFM on 345.0 MHz to talk with a USCG cutter, then when calling their station inbound they were AM.

This may be due to the proliferation of all-mode radios in some military aircraft. Several years ago I caught some Air National Guard aircraft repeatedly trying to contact their base ops in NFM, but the base station was having a hard time hearing them because the base was AM.

Possibly these issues are due to incorrect settings on the radio presets, or operators not knowing what mode they should be in.

Anyone else catching aircraft using NFM in the UHF military band?


Friday, August 16, 2013

NTIA Plans Spectrum Monitoring

The National Telecommunications and Information Administration (NTIA) plans a remote, real-time, spectrum monitoring project. You can read some interesting, preliminary information about it here:

https://s3.amazonaws.com/public-inspection.federalregister.gov/2013-20148.pdf

This project will monitor real world usage of radio frequency spectrum in 10 cities and evaluate possible plans to more efficiently utilize both federal and non-federal spectrum.

Saturday, August 10, 2013

170.7875 MHz in Boston

Reports of a new frequency being tested by "radio services" were received from sources in the Boston area. The frequency heard was 170.7875 MHz, but no P25 NAC has been confirmed. This frequency has a sort of mysterious past, having been heard at various events but never positively identified.

Here's what I have logged it as:

170.7875, N001 - heard in Washington DC at last two Presidential Inaugurations
170.7875, N496 - unknown agency at Super Bowl
170.7875 - used as a voice channel in the IWN trunked system
170.7875, N452 - identified as a DHS Common channel
170.7875, N272 - been used for aerial surveillance in various areas of the country.

This may be amongst the new DHS "common" allocations to provide each DHS agency with its own common channel.

Thursday, August 08, 2013

Bob Grove Interview About Monitoring Times

For those interested, here is an interview with Monitoring Times founder and owner, Bob Grove, regarding the fate of the magazine and his upcoming retirement.

http://blip.tv/HamRadioNow/episode-89-goodbye-monitoring-times-6625372

Wednesday, July 31, 2013

USDA Intercept Concerns

The September edition of the Fed Files column is on voice encryption and security in federal radios. During research, I found this page, from the Department of Management at the US Department of Agriculture:

http://www.dm.usda.gov/ocpm/Security%20Guide/V2comint/Intro.htm#Intercepting

It shows that all federal agencies, from the FBI to the USDA, are at least trying to let their people know about the possibilities of intercepted communications. The page does not specifically mention radio systems, but I suspect most USDA employees don't' deal with radios on a day-to-day basis.

Friday, July 26, 2013

New DEA Frequencies in GA

I have seen reports of activity on some of the new P25 DEA frequencies in west-central Georgia. 406.9750 MHz, N156 was heard used as a repeater. The reporter is listening to other "new" DEA frequencies for activity as well.

Thursday, July 25, 2013

Monitoring Times Magazine to Cease Publication

The following is a statement from MT Publisher, Bob Grove W8JHD:

       After 33 years of publishing the most informative and lauded magazine on monitoring the radio spectrum, Judy and I are finally going to retire. We are grateful for the dedicated efforts of our fine staff of writers for the excellent work which has kept MT alive for all these years. While we know the discontinuation of MT, with our December issue, will be a disappointment to our readers and writers alike, we realize that a combination of a down-turned economy, as well as the ready availability of free listening and technical information on the Internet, has reduced sales and subscriptions throughout the market place. I would like to thank you personally for your knowledge, your dependability, and your professionalism in making MT the publication that is most often referred to in the radio monitoring hobby. It is a legacy that we have all inherited.

Warmest regards to all our writers, Bob and Judy Grove

 ---

To all the Fed Files fans out there - The Fed Files column will continue monthly through these last issues of Monitoring Times. I will keep the Fed Files blog active and I am looking into other on-line outlets to provide updates on federal frequency monitoring. Keep watching this blog page for further details over the next

Monday, July 22, 2013

USMS Lost Radios

I have written in the Fed Files column about how the TSA has lost radios in the past, and the stray equipment has show up on eBay. Now if appears that the US Marshals Service has had some radios get away from them as well:

http://www.foxnews.com/politics/2013/07/22/report-us-marshals-lose-track-thousands-two-way-radios/?test=latestnews

http://online.wsj.com/article/SB10001424127887323664204578609720405017446.html 
(Subscription required for the second link)

Tuesday, July 09, 2013

New VHF Frequencies - Houston

Some new VHF channels were noted in the Houston, TX area recently:

163.8125 MHz,  N864
173.7125 MHz,  N293

There was some speculation that this may be a new US Marshals repeater setup, with various NAC's used on the input frequency. Indications are that this is being used in the Kansas City area. Further research is in order!

New DoD UHF Trunked System in Portland, OR

Although this is usually Larry Van Horn's domain, since it's in my backyard, I thought I would post about it!

A new P-25 trunked system is on the air in the area of the Portland International Airport. The system is apparently in support of operations at the Portland Air National Guard Base on the south side of the field.

Here are the system specifics from PRO96COM:

System ID : 00A
System Name : DOD USAF
WACN : 92195
Tower Number (Decimal): 101
Tower Number (Hex) : T0101
Tower Description : PORTLAND AIR BASE, PDX
Control Capabilities : Data,Voice,Registration
Call Sign(s) :
Timestamp : Fri Jul 05 15:12:18 2013

-Tables
#Format: Table ID,Base Freq,Spacing,Input Offset,Assumed/Confirmed,BandWidth
00,380.00000,0.00625,20.00000,"Confirmed",0.01250

-Frequencies
#Format: Channel,Usage,Frequency,Input Frequency,Hit Count
"00-0012","a",380.07500,400.07500,0
"00-0044","a",380.27500,400.27500,0
"00-0228","c",381.42500,401.42500,0
"00-0312","a",381.95000,401.95000,0
"00-0834","a",385.21250,405.21250,0

* For some reason the system is showing a 20 MHz offset for the input frequencies, but it is actually 10 MHz. I have seen this phenomenon on other 380 MHz DoD trunked systems.

As of this weekend, no radio affiliations were seen, and base operations on other, conventional 380 MHz channels appear to continue as usual. Not sure when this system is slated to become live, but it is on the air and audible throughout northwestern Portland and Vancouver, Washington.

Wednesday, June 26, 2013

USCG on 167.6250 MHz?

A listener in Michigan is reporting he got a Close Call hit and heard P25 Coast Guard communications on 167.6250 MHz, N293.  Here is the Radio Reference thread:

http://forums.radioreference.com/marine-monitoring-forum/269338-coast-guard-digital.html#post1993308

Even though I have never heard of that frequency being allocated to Coast Guard operations, it could be a new allocation for a special use channel. Some under-used frequencies, especially near border areas, can be utilized by agencies that you would normally not expect.

Also, some are thinking this might be a special channel for interoperability with the FBI, since it falls in the 167 MHz area that we are used to seeing their communications in. However, many of the frequencies in the 167-168 MHz area are not exclusive allocations to the Justice Department or the FBI, and can be assigned to other agencies. Also, there are plenty of existing federal interoperability channels already in the FBI and Coast Guard radios that are available for use by both agencies.

UPDATE! 

Another listener now states that CG Sector Toledo has been using 167.1125 MHz, N293 for some of their operations. The channel has been identified by users as "AG-101".

Thursday, June 13, 2013

FBI Frequency Updates Added

At the suggestion of a blog fan, I have started to add FBI frequency updates to the various agency pages at the top of the Fed Files blog. Since the FBI does not operate on a standard, nationwide channel plan, listing the various known FBI channels by US city should provide some idea of what frequencies are used where.

I have just started, so things may look a little sparse for a while, but I will be adding more as I have time. Also, if you have any FBI frequencies for your area, please pass the along and I will add them to the list.