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Kate-3 Transmitter (Mx210)
Firmware Version 7.15 Released: August 22, 2026 Download this firmware and save it to your local hard drive. Depending on your browser you may have to right click and select "save as..." 
Use the Flight Data Analyzer software to update your transmitter. Simply click 'Tools' on the Flight Data Analyzer menu bar and then select 'Update Firmware'.
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New features included in this release:
- Improved the way second stage ignition is detected so that the proper flight data will be collected. The original method detected second stage ignition by looking for a 2G acceleration after booster burnout. However, some low thrust, long burn motors being used for second stages were not generating enough thrust to exceed the 2G threshold. Consequently, the flight data report ended up showing it as a single stage flight rather than a two-stage flight. Therefore, the threshold has now been lowered to 0.5G. This allows for better detection of a two-stage flight and ensures proper flight data will be captured for the post flight report. This is strictly a "data capture" thing. Actual flight operations were never impacted by this issue and remain unaffected even after this change.
Previous version of transmitter firmware (v7.14)