[Elecraft] [OT] - Possibly - Small Loop Antennas For Receive

Ignacy no9e at arrl.net
Wed Sep 30 09:51:05 EDT 2015


You hope that the loop can null the noise on 80m. Loops have a very sharp
null and will null the noise if it is coming from one direction. I am not
sure that the shielded loop is much better than unshielded. Also the signal
level on 80m will probably be pretty good without an amp. 

I suggest that you built an unshielded loop with a  piece of wire and a
tuning capacitor. Say a diameter of 5 ft. Then, you rotate the antenna by
hand and see whether the noise is nulled and whether the signal strength is
sufficient.

My shielded loop on 160m was a disappointement as it did not pick DX well. 

Ignacy, NO9E





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