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Re: [VHFcontesting] Coax Switch vs. Duplexer

To: Jarred Jackson <Jarred.Jackson@hotmail.com>
Subject: Re: [VHFcontesting] Coax Switch vs. Duplexer
From: Mark Spencer <mark@alignedsolutions.com>
Date: Sat, 9 Jul 2016 16:14:35 -0700
List-post: <vhfcontesting@contesting.com">mailto:vhfcontesting@contesting.com>
I've used a Comet CF 4160 for a similar purpose with an Icom 706 MkiiG.   I 
didn't experience any issues.

(The only caveat I'll mention is that I almost exclusively use double shielded 
patch cords in my roving set up.)

73 Mark S
VE7AFZ

Sent from my iPhone

> On Jul 9, 2016, at 3:59 PM, Jarred Jackson <Jarred.Jackson@hotmail.com> wrote:
> 
> I have an IC-7000 with a common VHF/UHF output and switch between 2m and 70cm 
> amplifiers/antennas using a Diamond CX-210A  coax switch. I am thinking of 
> replacing the switch with a Comet CF-4160 duplexer that I have had laying 
> around unused. I would like one less thing to do when switching between 
> bands. It looks like there is 10dB less isolation (60 vs. 70 dB) and about 
> 0.1 dB additional loss by using the duplexer. The radio sends the amplifiers 
> 5W on 2m and around 28W on 70cm.
> 
> 
> Any concerns / thoughts on making this change? It seems straightforward, but 
> I have had the same thought on other changes that haven't turned out so well.
> 
> 
> Thanks,
> 
> 
> Jarred - KF2MR
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