|Subject:||[TowerTalk] Combining antennas|
|From:||Pete Smith <firstname.lastname@example.org>|
|Date:||Tue, 03 Feb 2004 10:07:40 -0500|
I have a spare Stackmatch box, repaired after a lightning hit, and I'm
thinking about using it to let me simultaneously or alternatively feed my
40m yagi at 104 feet, a low 40m dipole running NE/SW at 25 feet, and a
medium-height 40m dipole running NW/SE at about 45 feet, in the hope of
filling takeoff angle holes for domestic contests. Before I build up the
control box, in case I've missed something, are there any reasons why this
would NOT be a good idea?|
I'm aware that the yagi and the medium-height dipole could couple fairly strongly at that spacing, when the yagi is looking the same way, but think that most of the time the yagi will be perpendicular to that dipole. My modeling of other stacks, when the two antennas are perpendicular, suggests they basically behave like separate antennas then.
73, Pete N4ZR Check out the World HF Contest Station Database Updated 9 Jan 04 www.pvrc.org/wcsd/wcsdsearch.htm
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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