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Why is the KT-79 not an ideal choice for a new transponder installation?

April 26, 2017installation transponder

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Why is the KT-79 not an ideal choice for a new transponder installation?

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The KT-79 is a basic digital Mode C transponder. Due to its age, components for the transmitter assembly are no longer available from Honeywell. Therefore, due to inevitable reliability and warranty issues, the KT-79 is not an ideal choice for a transponder installation. SEA offers many transponders available in the same price range with more features to consider. SEA suggests the Trig TT31. The TT31 is a Mode S level 2 datalink transponder with extended squitter, which also supports growing ADS-B technology, available in the same price range as the KT-79.