Undoubtedly, that makes a difference ... but how much? Does anyone have a scholarly (or even semi-scholarly, e.g., QEX, QST) citation for the amount of attenuation? I've heard anywhere from 3 dB to 3
The coupling between orthogonal polarizations is theoretically zero (infinite negative dB). Any coupling has to do with errors in the orthogonality. Reflections can introduce some polarization shift
Hi I've done a modest amount of listening to signals via 144 MHz tropo on Horizontal and Vertical antennas at the same time on different radios. About all I can say with any certainty is that I could
Author: Mike Fahmie via VHFcontesting <vhfcontesting@contesting.com>
Date: Sun, 29 Jan 2017 21:12:55 +0000 (UTC)
In a near perfect situation (in free space, exact 90 degree misalignment, perfectly straight elements), I would expect near absolute attenuation, but we never have those conditions. What we do have
Author: Buddy Morgan via VHFcontesting <vhfcontesting@contesting.com>
Date: Sun, 29 Jan 2017 21:11:37 -0500
As everyone else said, it depends. For ionospheric propagation, it probably makes little difference. I once had two ten meter dipoles. One vertical and one horizontal. I could switch rapidly between
Well put. My experience, though not as complete, is consistent with yours. 73, Bob K0NR On 29-Jan-17 7:11 PM, Buddy Morgan via VHFcontesting wrote: As everyone else said, it depends. For ionospheric
Here's a non-scientific antidote to all this. A local ham ~25 miles away tried to tell me there was no way we could work each other on SSB since his antenna was horizontal and all I had at the time w
Mike.. Not Exactly Accurate ! I have been in 'Pile Ups' on 6M..many S9+++ while Locals with Verticals 'Can hear a few Loud Ones'.. and I can hear 'All of Em' ! I have worked 20 - 30 while locals tell
hehe ... I believe I prefaced the comments with "non-scientific antidote" his "theory" was it was impossible. I proved him wrong. Now would it been better pointing a horizontally polarized 5WL at him
Author: Keith Morehouse <w9rm@calmesapartners.com>
Date: Mon, 6 Feb 2017 18:34:59 -0700
It also depends on how 'local' you define local. There can be a HUGE difference in signal strength on 6M sporadic E when stations are separated by a surprisingly short distance. I've seen many 10's o
Author: John Young via VHFcontesting <vhfcontesting@contesting.com>
Date: Mon, 6 Feb 2017 22:11:23 -0500
Mike, Just for fun a few hams in EM9X grids had me do 6M cross pole SSB contacts with them from FM08 in January during the contest. We were all shocked to make coms so it was time to experiment. I am
Author: Buddy Morgan via VHFcontesting <vhfcontesting@contesting.com>
Date: Mon, 6 Feb 2017 22:21:50 -0500
A few years ago, I heard this person, on 144.200. He sounded like a FM repeater type. Like the guy Mike worked, he was about 25 miles. He was running about 50 watts. I was running 100 watts, on my Om
You cannot fix STUPID..... When we had a lot of rovers out running around, we often used verticals for 6M. The mag mount 5/8th wave 2M antennas work perfectly well on 6M, so we had a 3el beam up at 1
MAU adds I think sometimes there are some very smart people who know all the theory, can quote numerous engineering formulas for whatever the application but get so lost in the weeds that they don't