R142/A Bendix King cab radios

IFRIED91

Arrive alive
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Joined
Aug 3, 2020
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65
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NYC/Westchester/around the area
I was told by a few people that this audio in the video below is actually MODAT signaling coming from the in-cab radio on R142/A subways… can someone shed some light on it? What’s the exact code and gap parameters? Duration?
 
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