[amsat-bb] Re: Computer Control IC-1271

Greg D. ko6th_greg at hotmail.com
Mon Jan 12 23:11:50 PST 2009

Hi Joe,

I looked into this recently, as I also have an IC-1271A, and have automated everything else in the shack.  Same problem as you, no CI interface in the rig.  Without one, it appears that the only control you might be able to try is some sort of up/down control via the mike buttons.  

Since my main satellite rig is a Yaesu 736R, I decided it would be easier and more convenient to find a 23cm module for the Yaesu instead of trying to upgrade or lash up something to the ICOM.  I managed to secure one over this past weekend, and all the automation now applies to L-band as well.  (Well, almost...  I had to fix a bug in my CAT program that talks to Predict, but that was easy.)

So, I know that's not what you were looking for, but it ended up being the right answer for me.  Tx power is the same (by spec; I haven't measured either directly), and I was able to get into AO-51 without too much difficulty.  Full quieting with QSB, even though I have a helix antenna.

Good luck,

Greg  KO6TH

p.s.  The ICOM is available, if anyone is interested...

> From: gary_mayfield at hotmail.com
> To: AMSAT-BB at amsat.org
> Date: Mon, 12 Jan 2009 10:19:51 -0600
> Subject: [amsat-bb]  Computer Control IC-1271
> I'm having a snow day!  One of the joys of life in South Dakota!  Don't
> worry it costs me a day of vacation time.  I knocked the dust off my ic-1271
> and worked myself on AO-51 as she went by.  Has anyone played with computer
> controlling and IC-1271?  My radio does not have the IC-EX309 interface
> unit.  I believe that means it will not even accept (CI-V) /TTL level
> commands in its current state as there is no connection for them.  Has
> anyone gone down this road, and solved computer control of an IC-1271?
> Thanks and 73,
> Joe kk0sd
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