Because of a APRS Tx locking problem if no location was set, a new Beta has been created
https://opengd77.com/downloads/MD9600/F ... a41f6540f7
https://opengd77.com/downloads/MD9600/Firmware/Latest
For full details of the major changes in the last Beta release, please read this post
viewtopic.php?f=18&t=3230