On Fri, Jul 10, 2020 at 12:05 PM, Roy J. Tellason, Sr. wrote:
Having a recently acquired NanoVNA-H4, and having a bunch of unmarked toroid
cores (some with windings, some without), I'd sure be interested in hearing
more about how you do this...
Take a look at the wiki for this group and you will see several test fixture links. Also search this group for postings on toroids and measuring inductance. Lots of good info for you...
Roger