[amsat-bb] Antennas

[Jim Jerzycke]

DX Engineering sells very good rotor cable, as does Davis RF.


And there's always eBay or Amazon.....


73, Jim  KQ6EA


On 02/20/2017 02:17 AM, Jerry Buxton wrote:
> If it's a fairly short run, maybe CAT-5?  If it's a little longer run,
> maybe twist 4 pairs and run a CAT-5 for each rotator?
>
> Jerry Buxton, NØJY
>
> On 2/19/2017 19:53, 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
>> Sig
>> The Original Rolling Ball Clock
>> Idle Tyme
>> Idle-Tyme.com
>> http://www.idle-tyme.com
>> 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.
>>>
>>> 73,
>>> 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
>>> elevations.
>>>
>>> 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.
>>>
>>> Thoughts?
>>>
>>> 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
> are solely those of the author, and do not reflect the official views of AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>