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[SOLVED] Improving FM transmission 12dBm on 20meters

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In early years of RC model flight, 13.56 and 27.12 MHz has been used with small whip antennas.
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and horribly inefficient, which is why 2.4 and 5.8 GHz are preferred these days


Dave
 

and horribly inefficient, which is why 2.4 and 5.8 GHz are preferred these days
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Agreed. Just want to say that 27 MHz can work.
 

We COULD end on that dismal note, but here's some final thoughts ..

- a capacitive hat could help improve Rrad as well as increase the C so that bandwidth is wider.

- stub matching sounds good. What are the pro's and con's here ?
 

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