LMR-400 2.55 dB
LMR-600 1.6 dB
LDF4-50 1.28 dB (standard 1/2" Heliax)
FSJ4-50 2.88 dB (This is the common 1/2" "superflex" Heliax)
LDF5-50 0.73 dB (standard 7/8 Heliax, now obsolete)
With care you can run the LMR-400 cable from the antenna feed, around
the rotator, right to the radio. With 7/8 Heliax, you need jumpers at
both ends. Add ten feet of higher loss cable plus the loss in the extra
connectors, and that 1.8 dB evaporates. Even if it didn't, 1.8 dB
doesn't justify the pain and agony of dealing with 7/8 line, maybe on
EME, but no way for a newbie tropo station. Start easy, leave room for
growth and adventure!
73, Larry
--
Larry - W7IUV
DN07dg
http://w7iuv.com
Tonight is the EME contest.
If I wanted to monitor the local side, where would I
listen (6, 2, or 70cm)?
Thanks,
Peter
KB7INO
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