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Date: | Wed, 1 Apr 2015 14:22:23 -0500 |
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Butch,
Doesn't it all go back to the Central Electronics exciters and BC459
surplus VFOs and phasing exciters? About the only thing out there
when I got started.
Pat, K9JAUAt 02:08 PM 4/1/2015, you wrote:
>Shouldn't be any difference as far as noise. AS far as near band edge, if
>you say are on 3.998, 2kc down from 4.00, your transmitted energy is below
>that on lower side band. If you switch side bands, you're roughly 3 kc
>above and anything above 2 kc puts you out of band. When you switched
>side bands on older rigs, some switched filters and others switched the
>crystal in the carrier oscilator. If crystals were switched, you actually
>moved frequency on receive and transmit because the output of that circuit
>is switched. Hope that makes sense.
>73
>Butch
>WA0VJR
>Node 3148
>Wallace, ks.
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