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  1. C

    No ALT being reported. Encoder?

    Yesterdays Mode C check with tower while ADS-B (tail beacon / nav lights OFF) and KT-76A Transponder in ALT, Our Altitude was not being reported confirmed by Tower , also noticed (for the second time) a message on the GNS430 that there was no altitude input being received (which we expect...
  2. C

    No ALT being reported. Encoder?

    Roger that.. Im betting 50/50 Encoder issue.. Mode C check should tell. One thing you brought up , about connection at the transponder , has me thinking if that may be a source of our issue perhaps a bad connection there is causing issues with mode 3/A squawk code when the altitude encode is...
  3. C

    No ALT being reported. Encoder?

    Hello, We are working a similar (weird) issue with our installation, hope this doesnt take this thread too far off track but in working our issue have come to some "truths" new to us, perhaps not to you. Installation is a Transcal blind encoder , a KT76A transponder and a Uavionix Tail Beacon...
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