[ARC5] Zero Beat Question

[Bill Cromwell]

Hi Wayne,

Richard nailed it down but your question suggests there may be enough 
holes in your experience to not fully grasp what he has said. I sure 
wish I could get some of the people who are asking the questions like 
this in my shop/shack for even just a few minutes. We could make it 
crystal clear in just a few minutes in front of radio on the air and 
especially with some computer software available to give us a panadapter 
display - aka waterfall. I'm sure Richard would like to do that too.

Meanwhile we can try to answer any questions that remain from Richard's 
explanation.

73,

Bill  KU8H

On 07/07/2016 02:45 PM, Robert Eleazer wrote:
> I have an embarrassingly simple question.  I understand how with a BFO 
> in operation you can sometimes tune off to one side of an AM plus 
> carrier signal and hear it without the whistle.  I recall 
> listening with my Kenwood TS-820S once and hearing a guy running what 
> I think was a T-195.  He even said that many people did not know he 
> was transmitting straight AM rather than SSB.
> But if you have a bunch of harmonics coming from a calibrator, say in 
> 1 MHZ steps, how do you know you are on frequency, given that the 
> whistle is 1 KHZ or so off?  And if you zero beat the signal and 
> adjust the tuning pointer, how do you know if you are above or below 
> the signal?
> Thanks,
>
> Wayne
> WB5WSV
>
>
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