The pictures have text, but some things need to be outlined.
A great deal of attention must be paid to RF
grounding I currently have a #4 welding cable and a couple of 1"
braided cables running from the mount to the chassis. With plains to
run an additional #4 welding cable in the near future.
have taken the time to bond all the doors and the hood to the frame.
This helped to reduce noise.
Other noise on HF came from the Garmin GPS used with the Kenwood TM-D700A
for APRS. About 90% of this was solved with a ferrite filter installed
where the GPS Signal went into the TM-D700A.
attempted 2 other antenna combinations before locking in on the SGC. I have
a complete set of Hustler HF antennas and bought a High Sierra "Sidekick"
both of which worked OK but wanted the instant tuning of the SGC tuner. The
SGC-230 is leftover from our sailing days and used to load the backstay on
our 32 foot Irwin Citation.
have removed the SGC SG-230 and replaced it with the SGC SG-237
The power of the Kenwood TS-480AT is only 100 watts
and it has 6m capabilities this make the SG-237 a great match.
It's also smaller and lighter then the SG-230.
I also added the SGC SmartLoct controller to the
system to alow the antenna to be reset or locked for split
you have questions please feel free to address them on the
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