HFGCS Livestream (Emergency Action Messages on 8992 kHz and/or 11175 kHz)

10 months ago
27

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Running this stream as a redundancy to https://www.eam.watch's automated recording and transcription bot.

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Stream sources:
Florida – http://sdr.n4but.com
Alberta, Canada – https://209.115.233.71:8073
Montana, USA – http://kiwi.foxgulch.net
Twente, Netherlands – http://websdr.ewi.utwente.nl:8901
Utah – http://websdr3.sdrutah.org:8903/index1a.html

This is a livestream of the US military's High Frequency Global Communications System (HGCS), which is used by the US military to communicate with various assets, including nuclear-capable aircraft and submarines, by sending Emergency Action Messages (EAMs) and Force Direction Messages (FDMs). These are encoded messages read in the NATO phonetic alphabet. Most messages are 30 characters long, but some can be over 200 characters long – I consider these to be unusual. A typical day might have about 10-30 messages anywhere, but I've heard anywhere from 0 to almost 80 messages. I've been monitoring the HFGCS for over a year and a half now.

Let me know if you have any more questions – you can contact me either by chatbox or by reaching out to me on Twitter. For any serious communications, you may request my e-mail address via Twitter.

Streams are archived after conclusion. If you ever need access to a recording after the end of the stream, please contact me via email (see profile).

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