transponder

  1. C

    Intermittent Transponder Mode C

    I have a SV-XPNDR-261 transponder, hooked up to an ADVANCED AIRCRAFT ELECTRONICS HIGH GAIN TRANSPONDER ANTENNA. Recently, over the past few months, I have had recurring intermittent Transponder and Mode C Failures (as reported by various ATC controllers). Sometimes the controller reports that...
  2. P

    Garmin GTX 327/328

    I have a Garmin GTX 328 where altitude encoding comes from Skyview. That works just fine. But is it possible to "remote control" the transponder from the Skyview and also see the transponder status in the top of the screen - or is this only possible with Skyview transponder ? the connection...
  3. Mark P.

    Transponder Antenna Location Safety?

    The best place to mount the transponder antenna in my airplane is the aircraft skin under the seat. But the installation guide indicates that "all antenna feeders shall be installed in such a way that a minimum of RF energy is radiated inside the aircraft." I don't have a PhD in electronics so...
  4. M

    Transponder 'R' always on?

    I'm used to the 'R' of the transponder slowly pulsing as it is interrogated. Is it normal for it to be always on? Is that an ADS-B thing?
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