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Handy Andy - Appreciate the wealth of information!  When you say receiver, are you referring to something like a monitoring radio that I know is within calibration?  Some of the guys I've watched have a monitoring radio nearby when testing transmit, echo, etc from the radio they're working on.


Sp5it mentioned an RF probe, I'm not familiar with this tool.  Looks like something I can get fairly cheap or even build myself and use with a DMM to get a relative reading of RF amplitude.  I'll do some reading on that.


All of this is why I wanted to start on CBs from eBay. They're a cheaper, simpler version of my HF rigs and seem like a great way for me to learn about radio circuits and the tools needed to troubleshoot them. Unfortunately, we don't have anyone left in the area to tutor me so I'm relying on the internet for learning resources.