[TenTec] Bad USB modulation Omni VII

dukeshifi dukeshifi at comcast.net
Tue Mar 21 16:37:14 EDT 2023


Is audio only bad in USB? Have you tried LSB?

Gary

> On Mar 21, 2023, at 2:30 PM, Michael Rutkaus <mrutkaus at gmail.com> wrote:
> 
> So, I don't get on sideband much.
> 
> Using the Omni VII on 20 meters with a friend just now, he describes the
> modulation as horrible; another guy in our little net agreed.
> 
> I use the "MON" feature with headphones and I hear a decent signal no
> distortion. Maybe slightly muffled and a touch boomy but no distortion.
> 
> BUT it seems that now I have to speak with my mouth right on the
> microphone. It is the TT 707 shiny chrome mike that came with the deal. I
> seem to remember being able to speak farther away from the mike to get the
> same peak ALC lights.
> 
> It almost seems as if the microphone is going bad and I have to speak too
> close. But again, the MON signal I hear is more or less perfectly
> distortion free.
> 
> I have initially set menu everything according to K4TAX's notes and then
> fooled around with stuff, nothing changes much in the reports I get or even
> in the MON sound I hear.
> 
> If it were RF in the shack would it show up in the MON signal I hear? (An
> FTDX1- right next to it puts out a good signal but I guess RF interference
> could happen to one tx and not the other.)
> 
> Oh well if anybody has any ideas please advise.
> 
> 73
> Mike
> K4QET
> 
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