Hi Mark. The direct answer to your question is YES.
It was not my intention when I did this note to make it complicated. Instead, try to follow as close as possible a procedure that would squeeze the best performance from the unit. Isolation on the larger VNA units is one process that the user is given the option to OPT out. And usually you can get buy in doing just that and walk away with a noise floor that provides better than 80 dB below the 0 dB thru. Not quite the case with the nanoVNA, so best to take a route that minimizes excess cross talk between channels.
Termination of both ports minimizes radiation and signal pickup of the two channels. Not allowing the RF cables to cross minimizes this as well, since the cables provided with the unit are not double shielded. Coax can radiate dependent on the density of the shield and the method the connector is attached to the cable.
Hope this clarifies the note.
Alan
Mark K0NIA 8:48am #2536
Edited 8:48am
I've read and tried to follow the calibration instructions listed in the "Files" section of this group. When I get to "Note 13," to calibrate LOAD, it instructs me to use a second 50 ohm terminator and second F-F adapter, which were not included and I do not own.
In this case, should I just put the included load on CH0 (S11)?
Thanks, and 73--
Mark, K0NIA
