{"schema_version":1,"airport":"SXU","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"c55dca04a7fe","priority":"fyi","category":"runway","kind":"changed","summary":"runway 01: runway end elevation: 4779 -> 4779.1 ft MSL; touchdown zone elevation: 4785.3 -> 4786.8 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"4779","new":"4779.1"},{"field":"TDZ_ELEV","old":"4785.3","new":"4786.8"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"e9be61d9f7a1","priority":"fyi","category":"runway","kind":"changed","summary":"runway 08: runway end elevation: 4766.6 -> 4767.1 ft MSL; touchdown zone elevation: 4778.9 -> 4778.7 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"4766.6","new":"4767.1"},{"field":"TDZ_ELEV","old":"4778.9","new":"4778.7"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"aeeb43cc59ff","priority":"fyi","category":"runway","kind":"changed","summary":"runway 19: runway end elevation: 4791.4 -> 4791.9 ft MSL; touchdown zone elevation: 4791.4 -> 4791.9 ft MSL; threshold crossing height: 41 -> 36 ft AGL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"4791.4","new":"4791.9"},{"field":"TDZ_ELEV","old":"4791.4","new":"4791.9"},{"field":"THR_CROSSING_HGT","old":"41","new":"36"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"d677cb84ba56","priority":"fyi","category":"runway","kind":"changed","summary":"runway 26: runway end elevation: 4784.2 -> 4786 ft MSL; touchdown zone elevation: 4784.2 -> 4786 ft MSL; threshold crossing height: 27 -> 24 ft AGL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"4784.2","new":"4786"},{"field":"TDZ_ELEV","old":"4784.2","new":"4786"},{"field":"THR_CROSSING_HGT","old":"27","new":"24"}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"9c2442bb9fbd","priority":"action","category":"weather","kind":"changed","summary":"weather station type: AWOS-3 -> AWOS-3PT","source":"AWOS","fields":[{"field":"ASOS_AWOS_TYPE","old":"AWOS-3","new":"AWOS-3PT"}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"cf4aa548961c","priority":"action","category":"frequency","kind":"changed","summary":"frequency 118.1 now listed for SXU AWOS-3PT (was SXU AWOS-3); served facility type: AWOS-3 -> AWOS-3PT","source":"FRQ","fields":[{"field":"FREQ_USE","old":"SXU AWOS-3","new":"SXU AWOS-3PT"},{"field":"SERVICED_SITE_TYPE","old":"AWOS-3","new":"AWOS-3PT"}]}],"first_cycle":"2026-04-16","last_cycle":"2026-09-03"}