[TenTec] 1. Omni-C 40m/80m alignment question (Marinos Markomanolakis M.D.)

[Bob D.]

Hi Marinos!

Suggest you fashion a small RF pribe and used another receiver to see if
it's a problem with the front end.

Message: 1
> Date: Wed, 17 Apr 2024 17:35:06 +0000
> From: Marinos Markomanolakis M.D.
>
> In my newly acquired 546 Rx sensitivity increases towards the higher end
> and seems to go down towards 7.0 Mhz.
> Also in the 80m band, sensitivity seems to be much more towards 3,5Mhz,
> gradually falling towards 4Mhz
>
> Going through alignment of the fron end and VFO mixers per the manual did
> not help to any significant degree.
> Suspecting that coil L1 (the one not supposed to be touched during front
> end alignment) may be somewhat off for the preselector to track, but I am
> hesitant to disturb it, especially since there are no instructions for its
> alignment in the manual.
>
> Any ideas or help would be great appreciated.
>
> Thanks, 73
> Marinos sv9dru / ki4gin
>
>
>
>
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> End of TenTec Digest, Vol 254, Issue 6
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