The NanoVNA is a new low cost community developed VNA with assembled units coming out of China for <$50.
I have long held the view that these things are most useful when accompanied by a capable PC client that performs flexible text book presentations of data.
Considering buying one, my first step was to perform a desk evaluation of a popular PC client, which seems to be nanovna-saver.
Before downloading it, I examined the first screenshot on the github page.
It gives evidence that the author does not follow industry standard convention for transmission line terms and theory.
In the results shown above (s11) impedance is 39.105+j39.292Ω and some transformations of that value. Continue reading nanovna-saver – a first look