[Elecraft] Strange KPA500 problem on 6M

Jim Brown jim at audiosystemsgroup.com
Sun Dec 4 00:54:14 EST 2016


On Sat,12/3/2016 9:41 PM, Vic Rosenthal wrote:
> Look at any cables, switches and connectors that are common to the various antennas.

Yes. Lots of "off-brand" coax is junk. So are most un-branded 
connectors. If the PL29-style connector doesn't say Amphenol 83-1SP, 
it's probably junk. How well is the connector soldered or crimped? If 
crimped, was it done with the "official" crimper for the "official" 
crimp connector that matches THAT specific coax? If not, it's suspect.

Are you using any of those shiny adapters that are sold at hamfests for 
a few bucks? They're JUNK! Ask me how I know. :) They have caused me 
many problems that were tricky to diagnose.

IMO, the only GOOD coax connectors say "Amphenol" on them, or are 
ancient MIL-spec parts with MIL numbers stamped into them. I snap up 
stuff like this when I find it at ham flea markets.

73, Jim K9YC



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