[K3CAL] Two new Ham Bands in the making

Eric Christensen eric at christensenplace.us
Sun May 3 20:20:04 EDT 2015


On Sunday, May 03, 2015 11:01:43 AM Rich Weaver wrote:
> Hmmm
> Lets see,  a 1/2 half wave dipole would be 3,448.78 feet for 135 KHz and
> 991.52 feet for 472 KHz. 3,448.78 feet is more than a 1/2 mile but less
> than 3/4 mile.
> #12 copper wire goes for about 29 cents a foot.  For a half wave dipole at
> 135 Khz that will cost about $1000.21 plus tax. However, the good side for
> 472KHz it will only cost $287.68 plus tax. My only suggestion is to load up
> a dummy load with a piece of wire hanging out of it.

Here's the antenna used by one of my acquaintances and experimental stations 
used on both ~500kc and 137kc:  http://www.w4dex.com/wd2xko.htm (scroll down 
to "Loading Coil" and "Antenna").  Go poke around Joe's site as there is a lot 
of good information there.

--Eric


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