Even if you could bring the GPS 10 mhz osc into the Omni VI, this would not
fix the Omni VI frequency accuracy. The Omni VI also uses band crystals for
each band. The errors in these band crystals would not be corrected by the
10 mhz osc being perfect.
Carl Moreschi N4PY
Franklinton, NC
----- Original Message -----
From: "John Clifford" <johnclif@ix.netcom.com>
To: <tentec@contesting.com>
Sent: Friday, August 15, 2003 1:56 AM
Subject: RE: [TenTec] GPS and Ten Tec Rigs
> Well... the Omni VI/VI+ uses a 10 Mhz master oscillator (either a crystal
> oven or TXCO, depending on model), so... couldn't you bring in the
external
> 10 Mhz reference signal and use it in place of the oven/TXCO-supplied 10
Mhz
> reference?
>
> Someone who is better at electronic design than I could surely design a
> simple circuit that could allow for an optional external 10 Mhz source,
> defaulting to the internal 10 Mhz reference in its absence.
>
> I have found that with the BFO xtal mods and TXCO, my Omni VI stays within
a
> couple of hertz of WWV once my rig is warmed up, so I don't know how
> essential the external reference would be... but it would be cool and
that's
> why I like dinking with radios in the first place.
>
> - jgc
>
> John Clifford KD7KGX
>
> Heathkit HW-9 WARC/HFT-9/HM-9
> Elecraft K2 #1678 /KSB2/KIO2/KBT2/KAT2/KNB2/KAF2/KPA100
> Ten-Tec Omni VI/Opt1
> Alinco DR-605TQ
> Icom T90A
>
> email: kd7kgx@arrl.net
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
|