kellyrkeeton at gmail.com
Tue Feb 21 01:31:47 UTC 2017
I also use Uv-protected cat5 and sprinkler wire on my towers depending on length and load with no failures in 5 years now
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> On Feb 19, 2017, at 6:58 PM, Greg D <ko6th.greg at gmail.com> wrote:
> Actually, you only need 7 (common ground between them is ok). There
> should be "sprinkler wire" or some search term for low voltage wiring
> that comes in I think 18 or 20 gauge at the local hardware store,
> commonly used for sprinkler control systems. That's what I use.
> Greg KO6TH
> Joe wrote:
>> Any good suggestions for cheap 8 conductor rotor cable?
>> I'm gonna use two of the alliance U-110 rotors, and they are 4
>> conductor rotors. soooo, need 8.
>> Joe WB9SBD
>> The Original Rolling Ball Clock
>> Idle Tyme
>>> On 2/19/2017 6:34 PM, Wendy and Terry Osborne wrote:
>>> Hi Joe,
>>> Vertical works fine but man made noise is mostly vertically polarised
>>> so you will get a bit more of that.
>>> With horizontal, you have more problems with ground reflection so you
>>> get more fading.
>>> Depending on how big your metal cross boom is you will have no
>>> problems on 2M.
>>> On 70CMs the metal boom upsets the gain/radiation pattern. I tried
>>> this with a 2"" cross boom and it didn't
>>> work well at all. A shorter yagi, end mounted worked much better.
>>> Terry ZL2BAC
>>> -----Original Message----- From: Joe
>>> Sent: Monday, February 20, 2017 6:05 AM
>>> To: amsat-bb
>>> Subject: [amsat-bb] Antennas
>>> Weather is nice,
>>> Time to put up antennas.
>>> Now I know most like to go CP, But I'm on a limited budget. So it will
>>> need to be a traditional linearly polarity yagi,
>>> Of course I can mount them vertically or horizontally polarized.
>>> And if it was just one band, is there ny preference to vert or horiz?
>>> I don't see any, except from the man made noise issue when on low
>>> is there any best polarity?
>>> I'm planning on a side by side 2 meter and 70 cm set up
>>> 2 meter vertically polarized on one end of a cros boom, and the same on
>>> the other side but 70 cm.
>>> This way I can get away with using a metal cross boom.
>>> Joe WB9SBD
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> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions expressed
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> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
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