[Lowfer] Big sig on 17.8 kHz

Dexter McIntyre W4DEX dexter.mc at gmail.com
Wed Jul 28 15:37:00 EDT 2010


ToddRoberts2001 at aol.com wrote:
> on VLF!  Would be interesting to find out how long the trailing-wire  
> antenna is?
> They may be able to reel out a full 1/4 wave wire on VLF.
>   
I believe the trailing wire may be 1/4 wave.  For about ten years part 
of my job was providing a multiplexed UHF signal to Air Force and Navy 
aircraft from a secure underground site.  Such sites were called "GEPs 
or ground entry points".  During that time there was at least one 
aircraft aloft at all times carrying high ranking military and civilian 
personal who would direct a war in case Washington was destroyed.  These 
aircraft had the capability to communicate with submarines via VLF using 
trailing wire antennas which I was told were several miles long. 

Dex


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