Well, as you all know I love junk and test equipment even if I don't have a use for it now. Maybe 4 years ago I was at a garage sale where they were selling a lot of IC's etc. He said, "Would you like a power meter?" I think he gave it to me for about 5 bucks and he had a pile of them. It did not have a cable or a probe. So I thought how hard will it be to build a probe for this thing??
So I went looking and here is what I found.
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- Hewlett Packard Jurnal June 1915...Digital Power Meter Offers Improved Accuracy, Hands-Off Operation, Systems Compatibility
- Tobias Pluess Nov 2018M...DIY 8481A Power Sensor
- K. D. Wong Apr 2014...HP 436A Power Meter Teardown
The rub is that I have no idea what the sensor connector is. 
Anybody out there knows please let me know. Also, its input range is 100kHz to 26.5 GHz. This is a little high I wonder if there is a way to have a divider in front, maybe with selected bands.
~~Cris
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