It will depend on the yagi, but from experience the OWA design, with the
close spaced first director, can be tuned near the ground - pointing up in
the air as much as possible is always advised - with almost no change in SWR
----- Original Message -----
Sent: Monday, June 07, 2004 18:43
Subject: [TowerTalk] What are est of frequency chg for ten meters?
> Keith just made this comment and it sounds accurate. Ten feet is a bit
> for tuning. A 40 meter dipole tuned at 15-20 feet will resonate about
> KHz higher at 78 feet.
> Now lets change frequency to ten meters. A ten meter dipole antenna tuned
> 15 ft would resonate about ( What ) KHz higher at say 75-78 feet?
> Now lets change antenna to a 4 el yagi moving from/to same heights?
> Thanks. 73 Mike N5MT
> 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
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