[TowerTalk] measuring impedances with a VNA

[Edward Mccann]

How about advice on measuring impedance offered to common mode current in coax with a one-port and two port VNA?

Ed McCann
AG6CX

Sent from my iPhone

> On Jul 30, 2019, at 3:56 PM, jimlux <jimlux at earthlink.net> wrote:
> 
> We've discussed the measuring of things like antenna traps, and we've had varying levels of success.
> 
> 
> https://www.mwrf.com/test-measurement/make-accurate-impedance-measurements-using-vna
> 
> Discusses three different configurations (one port, and a couple two port measurements), gives the math, and looks at the uncertainties.. each works best in a particular range of impedances.
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