{"schema_version":1,"airport":"MRT","entries":[{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"cb13883d743e","priority":"action","category":"weather","kind":"changed","summary":"AWOS/ASOS phone number changed to 937-553-0033; weather station type: AWOS-3 -> AWOS-3PT","source":"AWOS","fields":[{"field":"ASOS_AWOS_TYPE","old":"AWOS-3","new":"AWOS-3PT"},{"field":"PHONE_NO","old":"937-644-2967","new":"937-553-0033"}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"2150eb9e3fa8","priority":"action","category":"frequency","kind":"removed","summary":"frequency 119.275 (MRT AWOS-3) removed","source":"FRQ"},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"6683e2b3ece9","priority":"action","category":"frequency","kind":"added","summary":"frequency 126.5 (MRT AWOS-3PT) added","source":"FRQ"},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"032008100fe5","priority":"action","category":"frequency","kind":"removed","summary":"frequency 122.8 (CTAF) removed","source":"FRQ"},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"51b4642c7dc4","priority":"action","category":"frequency","kind":"removed","summary":"frequency 122.8 (UNICOM) removed","source":"FRQ"},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"23cbc77823cf","priority":"action","category":"frequency","kind":"added","summary":"frequency 123.05 (CTAF) added","source":"FRQ"},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"485e6244e828","priority":"action","category":"frequency","kind":"added","summary":"frequency 123.05 (UNICOM) added","source":"FRQ"},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"75cef9349c0c","priority":"action","category":"runway","kind":"changed","summary":"runway 08/26: length: 2702 -> 2522 ft; width: 81 -> 80 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"2702","new":"2522"},{"field":"RWY_WIDTH","old":"81","new":"80"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"5f58a0d60696","priority":"fyi","category":"airport","kind":"changed","summary":"NOTAM facility: DAY -> MRT","source":"APT_BASE","fields":[{"field":"NOTAM_ID","old":"DAY","new":"MRT"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"b57a7237cda6","priority":"fyi","category":"runway","kind":"changed","summary":"runway 08: runway end elevation: 1015.2 -> 1015.3 ft MSL; touchdown zone elevation: 1015.2 -> 1015.4 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"1015.2","new":"1015.3"},{"field":"TDZ_ELEV","old":"1015.2","new":"1015.4"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"86a5d14d8cc7","priority":"fyi","category":"runway","kind":"changed","summary":"runway 26: runway end elevation: 993.9 -> 995.6 ft MSL; touchdown zone elevation: 1015.2 -> 1015.4 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"993.9","new":"995.6"},{"field":"TDZ_ELEV","old":"1015.2","new":"1015.4"}]}],"first_cycle":"2025-05-15","last_cycle":"2026-04-16"}