SWR is being checked inside the cab where it would plug into the radio. I've used both a standard SWR meter and a NanoVNA to check at that point....
Just to add some additional information I've tested the resistance from the bolt/ground where the stud mount attaches to the mirror to multiple...
Hello! Looking for some guidance on an CB installation on a Freightliner M2. It is the Freighliner OEM mirror arm that has the 3/8 stud mount...
