The smith chart shows around the centre but you've got nothing connected to port 0. It should be at the right side if port 0 is open??
Are you sure your 50 ohm calibration part is good?
On Sat, 5 Sep 2020 at 9:17 PM, Vince Rooney<vince@...> wrote: Hi Larry,
Yea that¡¯s the first thing I did. Ran through it a couple of times. The screen calibration seems to be a little wonky now too.
