[aprssig] making AGWPE work with an Icom IC-7100

John Wiseman john.wiseman at cantab.net
Sun Jan 18 04:44:14 EST 2015

How are you trying to key the radio? The 7100 doesn't support RTS or DTR
keying, only CI-V, and I'm pretty sure agwpe doesn't support CI-V.
I have written a program that converts changes to RTS on a Virtual COM port
to CI-V PTT Commands. See

It was originally written for the 7200, hence the name, but works with the
7100 if you set the right CI-V address.


I've found the the UZ7HO soundmodem works rather better than AGWPE. It uses
the same interface as AGWPE so is a direct replacement.




73, John


From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf
Of Andrew P.
Sent: 18 January 2015 07:09
To: aprssig at tapr.org
Subject: [aprssig] making AGWPE work with an Icom IC-7100

Greetings, all.

This is going to be a weird question, but has anyone gotten AGWPE to work
with an Icom IC-7100 radio? I thought this was the only radio hookup I was
getting successful PTT operation with (using fldigi and flrig, according to
the setup directions for the 7100), but using the same setup for AGWPE, I
can hear packets just fine (better than with the hardware TNC I have
connected to another radio), but I can't get the 7100's transmitter to key
up (even though AGWPE blinks the task bar lights to indicate it is

I'm using COM9 as the serial port (the first serial port on the IC-7100's
USB connection), and Sound Card as the TNC type through the 7100's USB audio
device. I know I'm hooked up to the right audio device because I am
successfully decoding received packets. But it won't key the transmitter.

Any advice welcome.

Andrew Pavlin, KA2DDO

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