K144XV with microwave transverters

[k2ua]

Good morning. I have a K3 with the internal K144XV 2-meter transverter. I
want to use it not just for 2 meters, but also as an IF for 903, 1296,
2304, 3456, 5760, and 10 GHz. I have built a band decoder and set the XVn
displays for each band accordingly.

I see that I can't set the IF for the XVn to anything but 28 or 50 MHz, so
that implies that 144 MHz is not supported along with the higher bands and
band decoder configuration. I verified with Elecraft support that this
isn't supported--they steered me here (after a 10-day delay and three
separate emails to get any answer at all, but I digress).

How are others handling this requirement? The automation is important to
me, as I am using it not just to steer the 144-MHz IF, but also to set the
correct LO frequency and steer the output of the Down East Microwave DIGILO
to each transverter based on the band information from the radio.

Thanks in advance.

--73, Rus, K2UA
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[Don Wilhelm]

Rus,

The key is that you cannot directly set the K3 IF to 144MHz, but you
must set the CONFIG: XV1 ADR parameter correctly.

See the "Using External Transverters with the K144XV" section in the
K144XV manual page 21.

You will have to switch the input to your external 144MHz IF
transverters from the output of your band decoder.

73,
Don W3FPR



On 7/17/2019 8:55 AM, Rus Healy wrote:

> Good morning. I have a K3 with the internal K144XV 2-meter transverter. I
> want to use it not just for 2 meters, but also as an IF for 903, 1296,
> 2304, 3456, 5760, and 10 GHz. I have built a band decoder and set the XVn
> displays for each band accordingly.
>
> I see that I can't set the IF for the XVn to anything but 28 or 50 MHz, so
> that implies that 144 MHz is not supported along with the higher bands and
> band decoder configuration. I verified with Elecraft support that this
> isn't supported--they steered me here (after a 10-day delay and three
> separate emails to get any answer at all, but I digress).
>
> How are others handling this requirement? The automation is important to
> me, as I am using it not just to steer the 144-MHz IF, but also to set the
> correct LO frequency and steer the output of the Down East Microwave DIGILO
> to each transverter based on the band information from the radio.
>

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