HF-GCS EAM (Emergency Action Message)

The High Frequency Global Communications System (HF-GCS) is a network of single sideband shortwave transmitters of the United States Air Force which is used to communicate with aircraft in flight, ground stations and some United States Navy surface assets. All worldwide receiving and transmitting sites in the HF-GCS system are remotely controlled from Andrews AFB. Before 1 October 2002 it was known as the Global High Frequency System (GHFS).

more info on: http://en.wikipedia.org/wiki/High_Frequency_Global_Communications_System

RX: IC-R75
Ant: LW
DATE: 10/07/08
UTC: 19:26
FREQ: 8992.0 kHz
MODE: USB
LOC: JN69PS

Category:

Science & Technology

Tags:

• SWL
• HF-GCS
• EAM
• HF-monitoring
• Milcom

[rugbynimbus]

Does this give anyone else an erection?

[karldotcom]

It is an echoing caused by more than one station being heard...

[hereschester]

@xXJeeXTeeXAyeXmanXx

google "one time pad"

[xXJeeXTeeXAyeXmanXx]

pretty dumb. what if there were like spies or something listening?

[xXJeeXTeeXAyeXmanXx]

llllllLLLIMAA!

[shanedawsonluv123]

lol F.AG



[Alexander9170]

Foxtrott..... Uniform.....Charly.....Kilo :D

[rattinox]

If it hadn't been for a twist of fate, I would have been a pilot in SAC.

[Actonlord2010]

sound like a tardis is it the doctor

[KC8YOQ]

@karldotcom The echo is due to an effect called Long Path. It is caused when a signal goes around the world via bounce and arrives at the receiver a split second later that the direct path!

[baraxor]

Are *you* EWO ready??