[VHFcontesting] VHFcontesting Digest, Vol 243, Issue 2

Roger - W7TZ ai7rogerroger at gmail.com
Sun Mar 5 15:39:29 EST 2023


Hi Mike,
Personally, I'd prefer constructing a more sturdy 'H' frame reducing the
possibility of flexing at the ends. Also making sure your mast is capable
of handling the wind cross section. And, your rotator is going to be
subject to significant strain.

73, Roger
W7TZ
CN83ia


On Sun, Mar 5, 2023 at 9:00 AM <vhfcontesting-request at contesting.com> wrote:

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>    1. Restacking the VHF antenna (k9mk at flash.net)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Sat, 4 Mar 2023 17:02:48 -0600
> From: <k9mk at flash.net>
> To: <vhfcontesting at contesting.com>
> Subject: [VHFcontesting] Restacking the VHF antenna
> Message-ID: <05c801d94eed$70bfbd50$523f37f0$@flash.net>
> Content-Type: text/plain;       charset="us-ascii"
>
> Greetings,
>
>       At the old QTH my VHF antennas ran up the mast like most conventional
> VHF antenna installs.  Here at the new QTH, I wanted to increase the number
> of antennas on the same 20' mast.  I was considering concentrating the vhf
> stacking configuration to make room for 20-10m HF antenna.  My thoughts are
> to mount pairs of VHF Yagi's at each end of an 8' fiberglass cross boom.
> Mounting a 2M12 paired (side by side) with 222-5WL.  Likewise, a second
> cross boom above it with a second 2M12 with a 432-9WL on each end.  Does
> anyone have experience with this or a similar configuration?  I would be
> interested in hearing from you on your success and/or learnings.
>
> Thanks
>
> 73 Mike K9MK
> EM12JI
>
>
>
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> End of VHFcontesting Digest, Vol 243, Issue 2
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