I would guess voltage drop on fuses commom issue or connection to 12 volt power supply. Don Weber Ka7qqv Ka7qqv@...

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So a Swr isssue caused by the suspect length of coax will change how it responds on diffrent bands. so if with a dummy load on the end of coax line What is the SWR on diffrent bands ? Ka7qqv Ka7qqv@co

I had bad crimps on the fuses I cleaned and then Soldered the original crimp connection Issue resolved on decreased power on my 7000.

Great Comments And thoughts KA7qqv

If issue dose not happen on a dummy load Issue is RF related Did you try with face plate on the Radio ? not extended from radio body Ka7qqv Don Weber Alameda CA

REMEMBER Rf can cause meters to READ Hi or low on DC voltages while transmitting Meter or digital meters both are effected KA7qqv Don Alameda CA

I bet it's the crips / connection for negative or positive fuses I soldered my wire connection after cleaning and crimping Sent via the Samsung Galaxy, an AT&T 4G LTE smartphone

Oh yes I have played with fuses twice They caused my half power issue I tore apart fuse holder and cleaned ther solderd crimp conection no issue after soldering crimp. Sent via the Samsung Galaxy, an

Rember Specification. 50 ohm dummyload Antenna is not normally 50 ohms. Sent via the Samsung Galaxy, an AT&T 4G LTE smartphone

I tore my fuse connectors apart and soldered the crimps That cured my radio not having 100 watt output Sent via the Samsung Galaxy, an AT&T 4G LTE smartphone