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Transponder

  • dsfisher
  • Topic Author

dsfisher created the topic: Transponder

Hello, I just completed my first IREX prep exam and got 32/40. One of the questions I got mark wrong I disagree with your answer. The question is about what a mode C transponder TRANSMITS, I said altitude only, your answer was altitude and position. I believe a mode C transponder transmits altitude and the position comes from the bearing from the antenna and time of pulse from transponder, only ADSB out transponders transmit position.


Regards

David Fisher
#1

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  • Richard

Richard replied the topic: Transponder

Hi David,

Valid point. I have tightened up the wording on that question and also the answer provided. I also regraded your exam to give you the mark since you obviously understand the principle of Mode C transponder operation :)

Cheers,

Rich
#2

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