[Lowfer] Big sig on 17.8 kHz

[John Andrews]

Warren,

You have to remember that there is an imaginary plane flying under the 
earth's surface, trailing an identical wire.

JA

On 7/28/2010 3:50 PM, k2ors at verizon.net wrote:
> Dex,
>
>    Interesting!
> But what is the 1/4 fed against? I imagine that the aircraft would provide a negligible ground plane at vlf.
>
> 73 Warren K2ORS
>            WD2XGJ
>            WD2XSH/23
>            WE2XEB/2
>            WE2XGR/1
>
>
> Jul 28, 2010 03:37:26 PM, lowfer at mailman.qth.net wrote:
>
> ===========================================
>
> 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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