[ICOM] IC-735 Interface

Jim Hargrave w5ifp at gvtc.com
Wed Feb 9 22:00:11 EST 2011


Jim,

Using the band data is a somewhat complex interface.

Many Logging programs will do what you want. I use Logger32 (freebie). it
interfaces with the IC-735 and provides automatic antenna switching based on
the operating frequency. The Logging setup defines what antenna you want for
a given frequency range. It supports up to 16 antennas using the computer
LPT port. All you need is the CI-V interface to the IC-735 and some relay
controls. Suggested relay control schematics are in the Logger32 help file.
I use a FT-920 as my primary radio and a IC-735 as my backup. Once the
logging program is setup, it will play with either or both radios in a SO2R
configuration. It also supports antenna rotor control.

The CT-17 is a CI-V interface to provide for computer control. You will need
one or a clone. There are many schematics on the web for a roll your own.
Also several companies provide clones at a great cost savings.

     73's Jim
      W5IFP


> -----Original Message-----
> From: icom-bounces at mailman.qth.net
> [mailto:icom-bounces at mailman.qth.net]On Behalf Of Taylor Jim-CJT001
> Sent: Wednesday, February 09, 2011 5:32 PM
> To: icom at mailman.qth.net
> Subject: [ICOM] IC-735 Interface
>
>
> Greetings to the Icom List. I have a Q that I'm sure has been addressed
> here previously, but I am a newcomer to the list. I'm looking for an
> interface for my IC-735 that will drive external relays etc that will
> follow the band switch. I have looked at the CT-17 but it doesn't do
> what I want ? Array Solutions has the BandMaster II interface but Big
> $$, as does another one at 2x the cost of the Array Solutions box. I'm
> sure someone has confronted this problem before and found a low cost
> solution. Any suggestions ?
>
> Regards,
>
> Jim Taylor
> WB8HMD
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