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Re: [CQ-Contest] HA-400 amp/splitter

To: CQ-Contest Reflector <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] HA-400 amp/splitter
From: MARK BAILEY <kd4d@comcast.net>
Reply-to: MARK BAILEY <kd4d@comcast.net>
Date: Tue, 16 Jan 2018 13:30:28 -0500 (EST)
List-post: <mailto:cq-contest@contesting.com>
Hi Art:


I get interference from VHF transmissions (at the N3HBX station and the W3AO 
Field Day) but none from HF.  YMMV of course.  :-)


Thanks.


73,


Mark


> On January 16, 2018 at 9:09 AM Art Boyars wrote:
> 
> 
>     I have one (silver color) installed right here in my station. I got it so
>     visitors (newbies, wannabies, hope-I-can-interest-them-bies) could listen
>     to the RX audio while I operated. Works fine for that. HOWEVER, ...
> 
>     When I transmit (100W), the HA-400 overloads and generates audio garbage
>     that would make it unsuitable for SO2R recording.
> 
>     That is with my one-dipole-and-antenna tuner station, with a bad RF ground
>     system (gotta go with what I have; not gonna rebuild the house for ham
>     radio). On some bands I get a bit of cross-hatching on the VGA monitors,
>     and I get get some flickering of the LED indicator lights on my homebrew
>     control panel..
> 
>     If your station has real matched antennas and real RF grounds, you might
>     not have the overload problem.
> 
>     73, Art K3KU
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