[MRCA] Magnetic Field Antenna Testing

Stewart Beckley budaui at hawaiiantel.net
Tue Apr 2 01:11:53 EDT 2019


Aloha Z,

I've  forwarded this to our 40meter.net webmaster for posting. Alot of 
the guys out here in the islands have magnetic loops, and I'm sure 
they'll marvel at your latest  break-through!

73, Bud WA2AUI/KH6

On 4/1/2019 5:13 AM, B. Smith wrote:
> The weather was very nice here in Chicken Land this week end so I had 
> a chance to do some antenna testing out in the back yard and set up my 
> portable Magnetic Field Antenna "MFA".  I've posted a diagram of my 
> current "MFA" constructed of "Gutter Spout" which is easily obtained 
> at your nearest home supply dealer. I realized that the radiation 
> efficiency of this type of antenna is very low but the antenna is  
> easily set up and lends itself to portable operations. In addition  
> when operating in a high noise RF environment the antenna can be 
> positioned for best reception to minimize noise. The hollow Gutter 
> Spout material is easy to work with and 90 degree bends are eliminated 
> by use of standard fittings - -  however sheet metal screws are 
> necessary at the joints of sections to ensure low current/voltage 
> loss. An easy DIY project.
>
> http://k4che.com/Tempvideo/Magnetic%20Antenna/Magnetic%20Antenna.htm
>
> Z
>
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