04/24/19 19:44:26 UTC
236.4 MHz
TACOMA, WA
P-3 Orion with a stuck mic on Habitat CP frequency.
 
04/22/19 14:19:17 UTC
248.65 MHz
CHILLICOTHE, OH
Some Stings remained in area
 
04/22/19 14:03:50 UTC
290.5 MHz
CHILLICOTHE, OH
Stings returning to Toledo
 
04/22/19 13:58:37 UTC
260.99999 MHz
CHILLICOTHE, OH
Stings operating in Buckeye/Brush Creek MOA
 
04/22/19 13:56:41 UTC
248.65 MHz
CHILLICOTHE, OH
Stings operating in Buckeye/Brush CreekMOA
 

04/18/19 15:03:10 UTC
139.350 MHz
"...Raeford West, but my Caravan is about to start operating at PK Airpark, if you could relay to the Chinook at Saint Mere to monitor 123.5, that's our Ops frequency..." 04/17/2019, 0946h. Ft. Bragg Range Control freq -AJ
 
04/18/19 14:55:20 UTC
140.700 MHz
"..be advised, currently 8 to 9 minutes out from drops at 12,500..." 04/17/2019, 1332h. Prev rptd as a Ft Bragg DZ/Range Control freq -AJ
 
04/18/19 02:51:39 UTC
247.800 MHz
weak signal only broke squelch
 
04/18/19 02:02:58 UTC
129.225 MHz
?
 
04/16/19 21:17:02 UTC
273.700 MHz
" (?)PIGEON(?)41, MAGIC on (?)GAMBLER(?)OPS" weak Rx. Mid-afternoon, 04/16/2019. also Airboss MAGTF Demo Team 09/08/2018 Concord NC -AJ
 
04/16/19 21:09:38 UTC
303.100 MHz
"MAGIC, DRAGNET, radio check on three-zero-three-dot-one" weak Rx. Mid-afternoon, 04/16/2019 -AJ
 
04/16/19 01:53:06 UTC
128.150 MHz
?
 



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COTHEN - Celluar Over-The-Horizon Enforcement Network


Back in 1984, the design for an ultra-sensitive U.S. Customs radio network was conceived. Code-named COTHEN, Customs Over The Horizon Enforcement Network, (Now federal publications call it the "Cellular Over- The-Horizon Enforcement Network") it combines a radio, computer, and a tactical voice privacy unit into a state-of-the-art communications system that meets the demanding requirements of Customs' tactical interdiction aircraft and boats in their fight against smuggling activities.

COTHEN's first fixed station transmitter near Memphis, Tenn., became operational in 1985. The Blue Lightning Operations Center was the first command office and its marine vessels were the first tactical platforms to have COTHEN radios. This initial deployment proved so successful that COTHEN grew to include all U.S. Customs aircraft.

High powered fixed station transmitters located across the United States are connected to Customs' Air, Marine, and Special Agent In Charge (SAIC) locations via dedicated telephone lines. Tactical interdiction platforms that are equipped with a COTHEN radio can place a call to any other platform or office in the network. Thanks to innovative technological advancements, a COTHEN radio is able to establish a link with another COTHEN radio thousands of miles away with no more difficulty than placing a phone call.

COTHEN has been instrumental in helping law enforcement agencies successfully complete a number of missions. For instance, early last year off the coast of Puerto Rico, COTHEN played a primary role in impressive seizures of 1,169 kilos of cocaine, one boat, three smugglers, and 41 illegal aliens by making sure all the entities involved in the action remained in contact with each other.

COTHEN now provides communications support for more than 235 aircraft, marine interdiction vessels, command offices, and numerous allied agencies including the U.S. Coast Guard, Drug Enforcement Administration, Border Patrol, Army, Navy, and Joint Interagency Task Forces. COTHEN's Technical Service Center (TSC) provides real-time on-the-air support services and guarantees communications between users. The Telecommunications Specialists who operate the TSC have many innovative diagnostic tools used to ensure communications, including a telephone patch (TRICS), a platform tracking and location system (TRACS), and over-the-air-rekeying capabilities (DARK).

The COTHEN and TSC team, responsible for all program management and on-the-air technical support, is headquartered at the Communication Management Division's National Law Enforcement Communications Center in Orlando, Fla.



Frequencies in KHz; mode USB/ALE

5732.0
5909.5
7527.0
8912.0
10242.0
11494.0
12222.0
13312.0
13907.0
14582.0
15867.0
18594.0
20662.0
20890.0
23214.0
24838.5