On 7/16/22 10:32 AM, Douglas Butler wrote:
I have 4" x 10" sheets of brass and aluminum I can hold up to the antenna and see the VNA plots move a bit, and steel moves them a bit more, but nothing on the scale of the difference between my plots and the manufacturer's plots.
Then I'd go for "what's the mfr's test fixture/reference design look like" (if there is one..)