|Subject:||Re: [TowerTalk] Combining antennas|
|From:||Bill Tippett <email@example.com>|
|Date:||Tue, 03 Feb 2004 18:32:02 -0500|
>My modeling of other stacks, when the two antennas are perpendicular, suggests they basically behave like separate antennas then.
Pete, my experience has been fairly good with pointing my 10m 3-stack at mostly orthogonal angles, but sometimes you get some very strange results...especially for backscatter signals. Quite often, I would hear a weak station, and then switch to the single antenna in that direction, only to have the signal totally vanish.
The other variable in this is knowing which antenna height is best for different target areas at different times of day. You can get a feel for that with VOACAP but there is probably no substitute for experience.
Been playing with both high-angle and low-angle antennas on 160 lately and it's amazing to see the difference sometimes.
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.
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