There are descriptions online on how to modify the Red Pitaya board for an external frequency reference.

You will however sacrifice some receiver performance since the GPSDO has much worse phase noise than the original

one but you will of course get better accuracy. Myself, I instead use my GPSDO to calibrate my skimmer.

With reasonably stable temperature in my shack, I only have to do that once every few months.

It's super easy using, for instance, HPSDR.

Björn SM7IUN

On Sun, Apr 14, 2024 at 12:22 PM Ashraf Chaabane <ash.kf5eyy@gmail.com> wrote:

Hi,

I have a Leo Bodnar GPSDO, how can I use it for my RedPitaya RBN in an
easy way.

For Perseus, I just round the wire on the coax and highlight the
reference frequency on Jaguar Pro software.

73 Ash 3V9A

aka 3V8SS 3V8SF

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