Hi Andrew,

I must admit I don’t understand the logic of using +40 dBm as the reference considering that level is much higher than the tracking generator output.

I believe the store-thru cycle always must be done to set the calibration reference. When I get back to this project I will give that a try but I am not optimistic. I don’t think that I will have proper calibration without first doing the store thru cycle to measure the test bed insertion loss across the relevant frequency spectrum.

Thanks!
tma

Hi Andrew,

Many thanks for your prompt response! I am glad you were able to reproduce the issue and that I wasn’t doing something wrong, (:/).

I need to get back up to try the work around. If I change the reference will that upset the thru reference calibration resulting in an “Uncalibrated” message at the bottom?

Thanks Again!
tma

Greetings Justin,

Many thanks for your prompt reply!

Best Regards,

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