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#10
December 30th 06, 07:57 PM
posted to rec.radio.amateur.antenna
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[Off Topic] QRA? QCX?
Thanks for the tip...I'll check it out!
Scott N0EDV Bryan wrote: Scott wrote: Can I have both?  Well, around here (the Chippewa Valley area) inWI we all use horizontal on all bands from 6M and up. Actually, I was just thinking about an Alford slot in the mobile since it is supposedly fairly omnidirectional and horizontally polarized. Seemed it might be OK for driving around and listening for my beacon or maybe an operator or two if they also were using an omni horizontal antenna. There are several of us on 902 within about 15 miles of each other... I'll check out the inverted F on the website you cite. I'm guessing it will be similar to the innards of blade antennas made for the VHF/UHF aviation bands... Scott N0EDV Scott, You can have simultaneous H & V polarization. FM broadcast antennas usually produce both, because they transmit to both home stations that use horizontal-polarized antennas, and automobiles that have vertical-polarized antennas. For an omni pattern, they'll have either two sets of elements (H+V), or a combined horizontal loop + vertical radiator. Dielectric Communications (http://www.dielectric.com/broadcast/fm.asp) offers the both types. Bryan WA7PRC |
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