MGL Avionics User Forum

Also, I forgot to mention, the transponder was sent to Mid-Continent for upgrade and was returned as upgraded and in proper working order. Thanks!

Frank Pisz

Is it possible this is an internal EFIS or SP 12 problem?

Thank you for your quick response. The length and width were set to the proper dimensions through the EFIS, but the transponder transmits values for length and width which are much too large and not consistent with the settings. How might I correct this problem? Thank you! Frank A Pisz

Hello! I have an Explorer EFIS -Trigg TT22 transponder-SP12 ADSB Out system. During certification testing it was noted that the length/width parameters are being transmitted as too large (>90) and the GPS antenna offset was not being transmitted at all. The transponder was updated by Mid-Continent a...