Pages

▼
Sunday, June 03, 2018

TSA Dropped 172.9000 MHz?

›
Back when the Transportation Security Administration (TSA) began operations in 2002, they were originally under the Department of Transporta...

Federal/Military use of NXDN

›
   I recently saw some discussions about some VHF federal frequencies being used for an NXDN IDAS trunked system in Southern California. Mon...
Tuesday, April 24, 2018

USS Portland HYDRA System

›
https://en.wikipedia.org/wiki/USS_Portland_(LPD-27) Here is a rundown of the Portland HYDRA shipboard trunked system: USS Portland...
Tuesday, April 10, 2018

LAKE MEAD NRA Update

›
A quick update on an item I posted nearly a year ago: https://mt-fedfiles.blogspot.com/2017/07/new-vhf-trunking-at-lake-mead.html At the ...
Monday, March 12, 2018

More VHF Lo Band P25?

›
Last year I wrote about some VHF low-band (30-50 MHz) frequencies that were heard in the P-25 digital mode. The frequencies monitored were 3...
Thursday, December 28, 2017

New Southern AZ Finds

›
While visiting family in the Tucson area over Christmas 2017, I came across some new to me federal VHF channels in use. These include 2 new ...
Thursday, December 07, 2017

CBP Captures Smugglers TRBO Radios

›
A recent posting by Customs and Border Protection (CBP) reports the capture of a group smuggling marijuana across the southern Arizona borde...
Monday, December 04, 2017

Fairchild Air Force Base, Washington

›
   Fairchild Air Force Base, located near Spokane, in eastern Washington, started out life as the Spokane Army Air Depot back in 19...

2017 Solar Eclipse NASA Frequencies

›
-->    A rare natural phenomenon that occurred on August 21 st , 2017 brought a lot of attention. A total solar eclipse, where...

VA IDAS Trunking System

›
New Federal IDAS Trunked System    Recently, a friendly source in the Seattle, Washington area passed along inform...
Saturday, September 23, 2017

KSC Updates Trunking System

›
The UHF band trunked radio system at the Kennedy Space Center in Florida has received and upgrade from the older Motorola Type II system to ...
Wednesday, July 26, 2017

New VHF Trunking at Lake Mead

›
On a recent visit to Hoover Dam and Lake Mead, near Las Vegas, I discovered a VHF trunking control channel. It appears to be a two-site VHF ...
Tuesday, June 27, 2017

172.1875 LA AREA

›
Caught a new one for me in the LA area last week. I was working up in Burbank and caught a transmission on 172.1875 MHz, N167 , the FBI with...
Tuesday, April 25, 2017

USSS CIO Interview

›
If you have some time, take a while and give a listen to an interview with Retired Brig. Gen. Kevin Nally, the Secret Service’s Chief Inform...
Thursday, April 06, 2017

Luke AFB Migrates to 380 MHz P25 System

›
According to recent postings on Radio Reference, the trunked radio system at Luke Air Force Base in Glendale, Arizona has changed frequencie...
Saturday, January 28, 2017

Changes Coming for VHF Marine Channels

›
There are changes coming for the normal FM marine channels. The International Telecommunications Union has (ITU) has began re-numbering some...
Saturday, January 14, 2017

CHM Guide to the 58th Presidential Inauguration Now Available

›
Alan Henney and The Capitol Hill Monitor on line newsletter have recently made available their frequency guide for the upcoming inauguration...
Saturday, January 07, 2017

2017 Presidential Inauguration Transportation Plan

›
Just released by the US Secret Service, here is the transportation plan for the upcoming Presidential Inauguration. The details in this docu...
Thursday, December 29, 2016

More TSA Updates Pouring In

›
The TSA continues to make changes across the country as it upgrades their radios. They are definitely changing the input frequencies to the ...
Monday, December 19, 2016

Uniden Announces DMR & ProVoice for 325P2 and 996P2

›
Uniden has announced that they will begin to offer paid upgrades to provide ProVoice and DMR digital modes to the 325P2 and 996P2 scanners. ...