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Your search for 252.150 returned the following results.

252.150 November Alpha 12345

September 22, 2023 in satcom | No comments

The past few days I have logged an accented station testing voice and DTMF tones on 252.150 and 251.850 MHz. Here is a brief recording. The operator sounds like he is identifying as “November Alpha 12345” along with some Brazilian stations mixed in – unknown if related.

Same individual was also noted using voice inversion on 251.850 MHz. Here is a recording of the voice inversion, along with the recovered audio.

Here is the scrambled traffic noted on 251.850 MHz.

Recovered audio from the transmission above. Definitely sounds like the same guy as 252.150 MHz.

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252.150 Hammer 16

May 25, 2023 in satcom | No comments

Suspected US military stations Hammer 16 and Hammer 11 conducting radio checks on CONUS satcom 252.150. Their signals were super weak for me, but I could make out one of them reporting at checkpoint Budweiser. They seem to be able to hear each other just fine however.

Possible related traffic on 253.850 as well, which was referred to as channel 3.

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252.150 Activity from Chinchiná in Colombia

May 7, 2023 in satcom | No comments

Lately, I’ve been hearing a regular amount of Spanish chatter on different UHF SATCOM frequencies. Here are several stations using 252.150 conducting radio checks and exchanging information. What caught my attention on this intercept was the mention of a camp in the sector of Kilómetro 41 and the mention of a specific point 500 meters below the point where Río Chinchiná and Río Cauca meet. These are very specific locations and after a bit of Googling, I was able to find an approximate location on this map. This puts them in the Caldas Department of Colombia, which is located a bit north of Pereira. Definitely interesting and bears watching.

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