Thanks Bill. This is the kind of info I have been looking for.
73, Keith NM5G
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Bill Tippett
Sent: Wednesday, May 11, 2005 7:17 AM
To: towertalk@contesting.com
Subject: [TowerTalk] Phasing Help
NM5G:
>Apparently I need to model the two antennas to find the difference in
phase angle in degrees, then add the appropriate amount of coax to offset
the difference.
Stacking patterns are not adversely affected by small phase
differences.
http://dayton.akorn.net/pipermail/towertalk/2002-August/050063.html
"P.S. For example, assuming phase shifts of 0, +10, and +20 degrees for the
3 antennas going up my tower, gain only changes by a negligible
-0.08 dB and vertical beamwidth decreases by a negligible 0.1 degrees."
73, Bill W4ZV
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|