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Re: [TowerTalk] SO2R or Multiop Contesting without interference

To: towertalk@contesting.com <towertalk@contesting.com>
Subject: Re: [TowerTalk] SO2R or Multiop Contesting without interference
From: Drew Vonada-Smith <drew@whisperingwoods.org>
Date: Thu, 31 May 2018 06:32:46 -0500
List-post: <mailto:towertalk@contesting.com>
Tim,

I'm not having issues and I am on one tower with one interlaced tribander+40M 
beam.  Just using low power filters between radio and amp, and a high power 
triplexer.  Some interference for sure, but none that affects success.  I 
expect the stubs I am planning to improve that further.

73,
Drew K3PA

----------------------------------------------------------------------

Message: 1
From: Timothy Coker <n6win@yahoo.com>
To: Towertalk Reflector <towertalk@contesting.com>
Subject: [TowerTalk] SO2R or Multiop Contesting without interference


<Is anyone out there operating high power SO2R or Multi-Op without interstation 
interference (besides being on or very near a harmonic)? 

<I read reviews of various antennas, new filters, etc of having non-existant 
issues. However, in my limited experience it seems that tribanders will have 
these issues even with the latest high power triplexors and band pass filters. 
Even problems will arise at multi-<tower stations with monoband yagi stacks 
and/or different direction facing yagi's.
<Has anyone got the ability to say that they are trouble free on their various 
band combinations?
<For instance, at home I have lots of interference when receiving on 15m and 
while transmitting on 20m. Same goes when receiving on 20m and transmitting on 
40m. For me, it can be both direction and/or antenna limited depending on what 
band combination <and which tribander that I take out of the stack. 

<I'm curious about the true confessions that other operators have about what 
they are dealing with when transmitting on multiple bands at once? Have some of 
the stations got this under control? If so is it mainly the big property owning 
stations with many towers <or have guys on 1-2 tower setups quelled this also?
<73,
<Tim / N6WIN.
*********************************

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