On (29 Dec 96  14:37:02) Rob Dennis wrote to Larry Kunz ...
RD> AREA:HAM_TECH
RD>  LK> I first tried a Diamond 5/8 x 2 (6db?) colinear. After almost
RD> 
RD>  I was going to get a Diamond tri-band for 6m,2m and 440 but went with a
The report from a local on the Comet 6M was to stay away from it,
thus the decision towards the Diamond. I'm starting to think I
should have bought the CushCraft (shutter).
RD>  LK> that good (after the fact). It tunes just fine, but seems to
RD> radiate
RD>  LK> like a dummy load using cheap coax.
RD> 
RD>  Funny that Diamond can make mobile antennas that run good,but their
RD> multi-band
RD> base antennas seem to suck big-time.
RD>  The Comet has been very good on FM for 2m and 440,but 6m has been a bit
RD> of trouble getting the SWR down below 1.8 at 52.500.
RD>  2m and 440 are fine SWR-wise,it's just the 6m section that tends to
RD> stay at
RD> around 1.8 or so on 6 simplex and the repeater input area.
The MAJOR problem I have had so far is the inability to properly
decouple the RF from the outside of the coax. You would think that
this is one purpose of the ground radials, but placing them about
12" ABOVE the feed point seems just plain wrong!
Larry
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