|Subject:||Re: [TowerTalk] Three Fixed Tri-Band Beams on One Tower?|
|Date:||Sun, 10 Oct 2004 09:43:40 -0400|
This is, for the moment, a theoretical exercise.|
I am exploring the concept of reducing the potential points of failure and complexity. I do own a rotator. ;-)
10' is the separation number?
So if I stagger the beams vertically, each with reflector close
to the tower, 10 feet apart facing separate directions I should eliminate the interaction?
This is more vertically efficient than 20 foot separation -- necessary when the beam centers are in-line.
So, how does this arrangement look:
Northeast on a mast at 65' Southeast off the side at 55' South off the side at 45'
I believe I have the necessary hardware to support the side- mount beams should I elect to do this.
The strength issue of Rohn 25, Rohn 45, or Rohn 25 reinforced with a second Rohn 25 is a separate consideration.
I also have a couple of 50' Rohn push-up poles on which I could mount fixed beams ... but that adds coax routing complexity and the push-up poles are much weaker.
-- Thanks! & 73, doc kd4e West Central Florida 100% Linux. Suse 9.1 Drake, Hallicrafters, Heathkit, TenTec, Yaesu Radio Life: http://www.gospelcom.net/twr/ Linux-Incompatible hardware is defective! USA Pres. Election 2004: http://www.rnc.org/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ _______________________________________________
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.
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