[Elecraft] VHF+UHF Radio Wish List

[Dave Fugleberg]

Thanks for the info!
I'll look for Terry at Dayton next week.
This looks like exactly what I'm looking to do.
Dave
On Mon, May 8, 2017 at 3:10 PM Dana Shtun <ve3dss at hotmail.com> wrote:

> Dave
> I came across this from Terry K8ZN o
> f Directiv
> e Systems , and the Grid Pirates.
> This was the “missing link” for VHF UHF!
> The elecraft external band switch is ALSO very capable and will work on HF
> or VHF/UHF, but it requires more hardware, which you can
> buy online, it just gets messy…
>
> With a bit of modification Terry’s board talks to the K3 via the RS232
> port - the original design was computer driven via RS232.
> This was featured in the World Above in QST in 2008 (attached) and here is
> the link
> to the Grid Pirates web… http://www.k8gp.net/station-equipment/moasu or e
> mail Terry. He may have boards and parts left.It is capable of switching
> 12 bands…but the K3 can only handle 10 if memory serves.
>
> I drive 2x24 V rotary switches from the board, one switches the 28 MHz IF
> from the K3 for 222 and 432, and the other uses the 144 Mhz IF for my
> microwave transverters, plus 144 and 50
> as well there are on board relays that move a Demi 4 port sequencer from
> band to band via a set of 3 phono plugs per band, on the back.
> Ive also modified it to provide 12 and 24 V switched output for relays and
> also integrated a G4FRE / WW2R band decoder board into it just to give me
> a full frequency display… ie 2304.1000 rather than 304.1000 on the K3.
>
> It all works great, I can jump from 50 through 2304 just by switching
> bands on the K3.
>
> 73 Dana VE3DS
>
>
> On May 8, 2017, at 14:49, Dave Fugleberg <dave.w0zf at gmail.com> wrote:
>
> Dana, I would be interested in learning more about your transverter
> switching arrangement. Right now I have the K3 plus the Elecraft
> transverters for 144, 222, and 432, using split IF and the Elecraft Aux
> bus. Each transverter drives a power amp. That works fantastic for
> contesting, but I want to add a couple bands. That means adding
> non-Elecraft transverters, and some kind of switching setup.
> 73 de W0ZF
> On Mon, May 8, 2017 at 12:19 PM Dana Shtun <ve3dss at hotmail.com> wrote:
>
>
>
> If you look at the schematic for the internal transverter there appear  to
> be available pins for “stacking” tranverters and switching the IF around…
> similar to what exists with the external transverters.
>
> Which means if there were transverters you could add them internally…222,
> 432, 902, 1296…
> The biggest feature would be band specific sequencing and lines to
> sequence amps, and preamps...
>
> Sure would make my life easier… but I’m using the "Mother of All Switch
> Units" to control all my transverters and sequencing.
> This talks directly to the K3. Makes VHF contesting so easy but its rack
> mounted, would look better in a Elecraft style cabinet! jo
>
> If I took out the 100 w module there would be room to fill the box with
> transverters….but a K3SVU would be nice eh?
>
> 73 Dana VE3DS
> FN03
>
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