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Results of initial D-RATS testing on DSTAR

February 12, 2008

In my previous post I mentioned having loaded D-RATS. Since then I have been doing some experimenting with the help of Rick, VE3CVG and Manfred, VA3WK. We have found messages can be passed with good copy via simplex. We have also found that D-RATS and d*Chat can be used together. A text file was sent via D-RATS, first as a text file and then as a file using the DDT format (they are two different routes in the software). The transfer went well. I would be interested to try sending compressed image files next.

A good range of radios were used, specifically the IC-91AD, IC-2820 and IC-2200H. When setting up, make sure you have the right baud rate set in D-RATS (for your computer serial port) and your radio. If not you, will likely see a string of question marks on the main message window when data is received.

So, if you have your D-STAR radio linked to your computer, give D-RATS a try. By the way, the development team is working fast as there was eight days between the 0.1.4 and 0.1.5 releases, so keep checking for updates.

Rick has pointed out to me that there is a Mac application that offers similar messaging capabilities. This software is called dTerm and the company producing it is currently looking for alpha testers. So, whether you use a Mac, Linux or Windows there is now software to allow you to do keyboard to keyboard communication using DSTAR.

If you are in the Ottawa area listen on 145.670 MHz (simplex) for messaging signals.

Should you have any interesting findings using any of these applications, or hints and tips, I encourage you to post them here.

4 Comments leave one →
  1. August 12, 2008 10:37 pm

    Hi … you said “We have also found that D-RATS and d*Chat can be used together.”
    does that mean the 2 software can run at the same time ???????
    If so, how can I do that??? I use the IC 2200h

  2. va3stl permalink*
    August 15, 2008 4:34 am


    Thanks for the question.
    I was perhaps a little unclear. What I meant to say was that we found that one operator could use D-Rats and another op could use d*Chat and keyboard to keyboard communication was possible between the two.

    I was not saying that the two software could run at the same time on the same computer connected to the same rig. Likely there will be a conflict talking to the DStar rig.


  3. August 30, 2009 7:28 pm

    eltima serial splitter

    I run gps from usb(real port). out to (virtual ports) d-rats, ms streets, and a couple of other softs — concurrently


    (virt) drats and dchat on the (real com) on the laptop —

    ALL 2 way capable msgs tx fine thru virt mapped to real


  1. Successful tests with D-Rats 0.2.9 « VA3STL’s Weblog

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