[AMRadio] 20..AM


Brian Carling bcarling at cfl.rr.com
Fri Dec 2 19:51:07 EST 2005


On 1 Dec 2005 at 18:46, RONALD SLATER wrote:

> I am on 20 mtr AM 14.286 often,haven't heard much activity lately..Also like 15 mtr Am At 21.425 mhz. Tune and  listen ..73's ron W6MAU

Neat thing about those two bands is that you can use the same 
40m
crystal for AM on both bands.

7143 X 2 = 14.286 MHz
7143 X 3 = 21.429 MHz

With a bit of judicious tweaking in the osc. you get on 21425
or thereabouts, and it only requires one rock for both bands.

73 de AF4K, Brian




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