[amsat-bb] Antennas

Joe nss at mwt.net
Mon Feb 20 01:53:25 UTC 2017

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.

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.
> 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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