Hi Tom,
I THINK the answer still should be: as high as you can get it-with the
provisos that it is intended to mainly work DX, and that putting it 'there'
won't interfere with anything-as you pointed out. Mostly because-on my city
lot-I can't really get antennas all that high. I had 3 successive G5RVs
come down from trees at only 45 feet despite every (I think) trick in the
book (springs, suspended weights, pulleys, etc. etc.-it occurs to me I
never tried a 'NON-inverted' Vee-perhaps THAT would have allowed enough
lateral give.) I am sort-of on a hill, and my trees will get to whipping in
a storm, and sooner or later one whips E as the other whips W and goodbye
to even #12 copperweld! The final solution was to mount it at abt 25-30
feet... but-alas-it is not 1/3 the antenna (as far as getting out is
concerned) that it was 15-20 feet higher.
I once (the 'one' mentioned above as '3 G5RVs') had a G5RV at about 45-50
feet (running somewhat S of E to somewhat N of W)-mounted 25-35 feet SOUTH
of my yagi at the same height. I could HEAR the improvement in W2 / G etc.
(NE) with the boom of my yagi was pointed 'right' (as a director)... you
could hear it change. Nice to actually be able to perceive real-world
illustration of what the theory sez!!!
72/73
Ed Tanton N4XY EMAIL: n4xy@avana.net TEL: (770)579-3933 V/MBX/FAX
189 Pioneer Trail
Marietta, GA 30068-3466
QRP-ARCI#7663 G-QRP#6779 OK-QRP#172 QRP-L#758 AdvRC#140
NORCAL#1779 NCDXF SEDXC
Life Member: ARRL AMSAT IDRA INDEXA QCWA
URL: Coming Sooner or Later
"Think you can, think you can't: either way you're right!" Henry Ford
--
FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: K7LXC@contesting.com
Sponsored by Akorn Access, Inc & N4VJ / K4AAA
|