XBEE Pro 900 Stopped Communicating

I have been using the XBEE modems with success for some time now.  Yesterday I did a flight and they worked fine with version 1.0.34 of the Mission Planner and my APM.  I removed the modems from my aircraft and laptop and my buddy installed them on his laptop and APM as we have done successfully before.  He has the same hardware/software versions as I do.  But this time he couldn't get them to communicate.  We switched back to my hardware and the same problem.

 

I checked them out on the X-CTU program and the aircraft modem appeared to have bricked.  After some wrestling with the software, I finally got both modems working again on the same ID and the X-CTU Test/Query works for both.  But I still can't get them to connect when using the Mission Planner.

 

Is there an updated version of software that needs to be reloaded into the modem that bricked?

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  • Update.

     

    I was able to download updates for version 1061 via X-CTU.  I loaded both modems with the new version.  The ground modem loaded fine, and a Query shows it has version 1061.  The modem I use in the aircraft appears to load 1061, but a query shows version 1161 and if I try to read the configuration I get a pop-up that says "Teh modem configuration file was not found.  Would you like to check the web site for updates?"  I do the check, it downloads updates for other modems, I reload but the same symptoms.

     

    Is my air side modem "toast"?

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