CERTIFICATION APPROVAL: TSO Authorization
COMPLIANCE: Optional
SYSTEM: GTN635 / GTN650 / GTN750
PURPOSE:
This Service Bulletin announces the availability of GTN 635/650/750 COM Software Version 2.20 and COM FPGA Version 2.4.
GTN 6XX/7XX COM Software Version 2.20/FPGA Version 2.4 contain the following changes from COM Software Version 2.13/FPGA Version 2.2:
- Reduced noise burst (“Squelch Tail”) that occurs at the end of a reception
- Reduced random squelch breaks (popping)