EAM Overnight Livestream (HFGCS – 11175 kHz)

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Follow my other Youtube channel for other content, including long-form updates on HFGCS activity: https://www.youtube.com/channel/UClkhFT1cCW2aiwuZDcKy0gw

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

This is time-consuming and resource-demanding. If you appreciate the work I'm doing and have the means to do so, your support for the project is appreciated and will help it be a sustainable one with a growth plan;
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Thanks to all previous and continuing contributors for their support.

Streams sources may include the following;
Florida – http://sdr.n4but.com
Alberta, Canada – 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?tune=8992khz

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. 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 on-and-off since January 2022.

Streams may be archived after conclusion. 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.