Hi Don,
I posted it last night. And yes I'm now (yesterday) measuring from S11 to S21. The attenuators are mounted on S21 and connect to a short jumper that had the SOL made through a female SMA connector back to the VNA. See: for detail.
Mike C.
toggle quoted message
Show quoted text
On 8/25/2021 2:26 PM, Donald S Brant Jr wrote:
Mike: You ARE looking at S21 and not S11, right? What does a thru look like?
73, Don N2VGU