Radio links  mainly ULF - ELF - VLF
Spy Numbers Links
Spy Numbers Recordings from The 1980's / 90's
Shortwave Espionage
Mike's electric stuff
Magic eye tuning valves
JMH's    virtual valve museum
G8LSD    valve collection
Utility station  ( digital comms ) monitoring with sound example
The Long Wave home page
 ULF - ELF - VLF  projects - whistler - Schumann resonance receiver
Natural ELF VLF Radio Phenomena - Magnetosphere and Space Weather
VLF whistler recordings in WAV format
The radio world below 535 KHz
Radio waves below 22 KHz
Exploring the electromagnetic spectrum
NIST Cesium fountain atomic clock
Boulder  ( USA )  physics laboratory ( NIST )
The German ENIGMA cipher machine . very detailed workings , history of Colossus , Bletchley Park
Build a modern day electronic ENIGMA cipher - decipher machine
THE HUM ... have you ever heard this phenomena ?
Possible cause of  " THE HUM "
Bry's  pirate radio web page
Atomic time  PC clock adjuster ( Chronograph ) , freeware or shareware versions
SETI@HOME search for extraterrestrial life radio signals
HAARP   High frequency Active Auroral Research Program    -   Alaska
HAARP  link 1 HAARP  link 2 HAARP latest info  
HAARP how it sounds like - Pulse analysis
Electromagnetic weather altering   HAARP

 

 

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g8kpy old radio valves