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Sunday, July 31, 2011
A couple of items regarding the Drug Enforcement Administration (DEA).
First, a reader sent me this link:
This is a document containing the minutes from a meeting of the Oklahoma Wireless Information Network (OKWIN) Executive Committee. In these minutes, the DEA requested access and talk groups on the new statewide radio system. This quote appeared in these minutes:
"The DEA currently has UHF frequencies to conduct daily business. They really want to use the system for interoperability, but see the benefits of using the system for day-to-day business so it would be “nice to have.” The DEA coverage is limited in the NW and SE areas of Oklahoma, just as the OKWIN system is limited. So there is no great increase in coverage area for them. Also, the DEA plans on using a new VHF system planned in the future and then only maintaining a presence on the OKWIN system for interoperability."
This triggered some questions about the DEA moving to a VHF radio system. I think they are referring to the DEA's participation in the federal VHF Integrated Wireless Network (IWN), of which the Department of Justice is the primary user. The DEA is using the IWN in areas that it is operational. (In the Pacific Northwest, the DEA had their UHF radios taken away years ago.) But in areas that are not served by the IWN (which is most of the country), they not only remain on UHF, but have started to migrate to new P-25 UHF frequencies.
Which brings us to the second item, and updated list of the UHF P-25 channels that listeners in Texas and other Gulf states are hearing:
409.6250 MHz, N156 - Possible new F1
409.6750 MHz, N156 - Possible new F6
409.8125 MHz, N156 - Possible new F7
409.8250 MHz, N156 - Possible new F8
409.9000 MHz, N156 - Possible new F9
409.9500 MHz, N156 - Repeater, possible new F10
410.4125 MHz, N156 - Repeater/simplex, new 11?
411.1250 MHz, N156 - Simplex 1?
411.1750 MHz, N156 - Simplex
412.2000 MHz, N156 - Simplex 2?
413.9750 MHz, N156 - Simplex 3?
414.2000 MHz, N156 - Simplex, possible new 4 or 5
414.4500 MHz, N156 - Simplex, possibly new 5
418.3250 MHz, N156 - Simplex or possible input to 409.3250 repeater (not heard)
418.6250 MHz, N156 - Input to 409.6250 repeater
418.6750 MHz, N156 - Input to 409.6750 repeater
418.8125 MHz, N156 - Input to 409.8125 repeater
418.8250 MHz, N156 - Input to 409.8250 repeater
418.9000 MHz, N156 - Input to 409.9000 repeater
418.9500 MHz, N156 - Input to 409.9500 repeater
It's also possible that the DEA will be going to the nomenclature of NET and TAC channels that many other DoJ agencies are now using. The NET channels will be repeaters and TAC channels being simplex.