Impedance measuring

K2DB Paul Mackanos

Can I use my Autek Research RF analyst to measure the frequency of the low pass filters. If I can, can I adjust the coils to fit the resonant frequency. In this case I would like to adjust the 40 meter low pass filter to a frequency of 7040, for WSPR use.
It's raining and I'm bored 😜
Paul K2DB

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