[TenTec] Dual frequency receive

[Dave W7DPW]

The OMNI-D and the TT 243 VFO enables this  Dual receive function.

In fact, it offers a great many combination for Rx/Tx  (6),

even Crystal Control..

Dave W7DPW

----- Original Message ----- 
From: "Ken Brown" <ken.d.brown at hawaiiantel.net>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Monday, December 25, 2006 6:11 PM
Subject: [TenTec] Dual frequency receive


>
>
>
> > do I have to switch back and forth to listen to both.
> >
> You can switch back and forth between frequencies, to listen to both
> (not simultaneously) without having two VFOs. You just need one VFO
with
> two (easy to switch between) memories. This is what most transceivers
> with an A and B internal VFO have. They typically do not really have
two
> VFOs.
>
> If you truly have two VFOs, as was common with separate matching
> transmitters and receivers (such as the Drake 4 line, Heath SB series
> and Collins S-line) and some older transceivers with external
accessory
> VFOs, then it is possible to have both VFOs combined into the LO port
of
> the mixer and receive two frequencies (on the same band)
simultaneously.
>
> I have never operated a rig that had this feature from the factory.
> Apparently there are several rigs that have this feature without
> modification, and some of them have a control that allows variable
> relative levels of the two VFOs and therefore of the two received
> frequencies.
>
> DE N6KB
>
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