In a message dated 30/06/97 22:32:39, you write:
<< /For a fast calculation of a quarter wave length use L=234/F where
/L is the length of a 1/4 wave in feet and F is the frequency in MHz.
/So for 121.5 MHz the 1/4 wave antenna should be 1.9259 feet long.
>>
That looks like the free space equation. Doesn't allow for it being stuck to
an epoxy plane like the Europa . Even if it does, what happens when a
coating of acid rain (dielectric constant 80+ ) runs down the outside ! but
maybe radio is the least of your worries if its that wet.
Graham C. G-EM IN the air.
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