power meters

Just when you thought it couldn’t get more boring (reference my last post about signal generator calibration…

I did all these careful calibrations of my signal generator to check its accuracy and linearity. Everything looked good, except that the signal reading was about 1 dB low.

HP power meters
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UPDATE: it turns out that my “best” power meter was actually about 0.5 dB off. See my later post for further details.

I want to calibrate my software defined radio receiver prior to doing a bunch of recordings of the ham bands for the upcoming solar eclipse (check out the
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