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Just a bit of info others might benefit from...
To cut a long story short, I have been having a right old time trying to SWR a new CB radio. I mounted the antenna on the roof rail and made a little earth lead from mount to rail allen bolt.
I have gone through two different antennas and could not get the SWR out of the red. I visited a friend today with an analyser that you connect you antenna directly to. We still had trouble getting the SWR down and he was saying maybe the antenna was no suitable for 27MHz. Then by sheer chance he leaned over touched the antenna mount and the SWR was perfect :augie
It turns out that the roof rails are not earthed to the body :doh So I will have to make up two earth leads and run them into the covers where the coax is and earth direct from mount to body either by a suitable nut/screw or by drilling a new fixing.
This had me going for two days and I nearly gave the guy who sold me the antenna an ear full, glad I didn't
Just thought I'd pass this nugget on...
If anyone else knows how to earth out the roof rails easier than my way, please do tell
To cut a long story short, I have been having a right old time trying to SWR a new CB radio. I mounted the antenna on the roof rail and made a little earth lead from mount to rail allen bolt.
I have gone through two different antennas and could not get the SWR out of the red. I visited a friend today with an analyser that you connect you antenna directly to. We still had trouble getting the SWR down and he was saying maybe the antenna was no suitable for 27MHz. Then by sheer chance he leaned over touched the antenna mount and the SWR was perfect :augie
It turns out that the roof rails are not earthed to the body :doh So I will have to make up two earth leads and run them into the covers where the coax is and earth direct from mount to body either by a suitable nut/screw or by drilling a new fixing.
This had me going for two days and I nearly gave the guy who sold me the antenna an ear full, glad I didn't
Just thought I'd pass this nugget on...
If anyone else knows how to earth out the roof rails easier than my way, please do tell