[TenTec] Omni VI+ calibration

Harald Rester harryrester at gmx.de
Wed Dec 21 04:32:46 EST 2016

Jim, did you check the BFO alignment as well? Procedure for calibration 
starts there and you have to readjust the different trimmers several 
times. As I remember, TCXO calibration is the last step.

73, Harry, DH1NBE

Am 21.12.2016 um 00:56 schrieb Jim Allen:
> I am in the process of checking calibration on this Omni VI+.
> When I zero beat WWV 10 MHz. the dial shows 9998.89.
> I put the radio in CW, and use a iPhone app, PANOTUNER which is used to
> tune musical instruments and believed to be accurate within a hertz or so,
> to set the zero tone to 700 Hz. which is what my sidetone is set for and
> which is what the PANOTUNER shows it to be.
> The mystery is that the adjustment of what I think is the TCXO at the back
> of the logic board, only moves the frequency a hundred hertz or so, not
> enough to be able to zero with the readout at 10000.00.
> I have found the wiki on this, and some archival discussion from several
> years back, and the process seems straight forward.  It's just not working
> as expected.
> Any ideas what I am missing, or what isn't right, here.
> 73 Jim Allen W6OGC
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