Recent content by TailLight

This thread is addressing a suit between A an B about how to receive altitude from a transponder reply to an interrogation (wouldn’t be there outside an ATCRBS “radar” environment) to put it in an ADS-B transmission. A bad idea anyway! When was the last time everybody flying had an accurate...

Thanks for remembering. I always get curious when I see my name, even if it’s old. TailLight used the ICAO definition of a mode S transponder packet and added an unused downlink format number to broadcast position and velocity. Think of the transponder frequency (1090 MHz) like a shared two...