[1000mp] M5 needs a doctor

Mike Gilmer n2mg at contesting.com
Thu Aug 3 18:59:28 EDT 2006


Agreed - he needs to isloate the problem before blaming the radio.  A
climbing SWR is OFTEN an indicator of problem at the antenna or coax or
balun or...

Try the rig with a dummy load... and the antenna with another radio (or some
other device like an antenna anlyzer).


Mike N2MG

> -----Original Message-----
> intermod...due to antenna problems....I've seen stranger things!
> 
> Cecil...
> ----- Original Message ----- 
> 
> > Why would a faulty antenna cause him to be able to hear a 
> station on 5
> > different frequencies- especially with a receiver as good 
> as the Mark Vs? 
> > I'm betting the problem is a little more involved than a 
> bad antenna or 
> > coax.
> >
> > 73,
> > Scott, N9AA
> >
> > Marc Wullaert ON4MA wrote:
> >> Why need a specialist.check first with a dummy load..probely your 
> >> coax or antenna is the problem
> >> marc on4ma
> >>
> >> ----- Original Message -----
> >>
> >> Recent problem ...
> >> Output power dropped to 100W max.
> >> SWR's start at 2.5:1 and will climb off the scale while 
> transmitting.
> >> Finding: Two nights ago, Jamaica is heard on 14.199 @ a 
> true 15 over 
> >> 9.
> >> This
> >> same station is received with a clear 5x9 on 14.214, .165, 
> .148, and .137 
> >> at
> >> the same time. I put it on "dual" on 2 of these 
> frequencies and heard a
> >> strong Maryland station working it and coming in on both 
> frequencies 
> >> also.
> >> I can run the ant. tuner. It now runs a bit longer. It 
> will shut off. I 
> >> can
> >> redo this procedure 2 more times and it tries to retune again w/o
> >> transmitting in between.
> >> Anyone know a good specialist?
> >>
> >> Bob




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