{"schema_version":1,"airport":"TGC","entries":[{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"c4099341a2e0","priority":"fyi","category":"runway","kind":"changed","summary":"runway 01: controlling obstacle changed (now 20 ft tall, 475 ft from threshold, 76 ft right of centerline, clearance slope 13:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"37","new":"76"},{"field":"DIST_FROM_THR","old":"284","new":"475"},{"field":"OBSTN_CLNC_SLOPE","old":"4","new":"13"},{"field":"OBSTN_HGT","old":"17","new":"20"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"14e3070f1a7a","priority":"fyi","category":"runway","kind":"changed","summary":"runway 19: controlling obstacle changed (now 110 ft tall, 1396 ft from threshold, 258 ft left of centerline, clearance slope 10:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"256","new":"258"},{"field":"DIST_FROM_THR","old":"1379","new":"1396"},{"field":"OBSTN_CLNC_SLOPE","old":"11","new":"10"},{"field":"OBSTN_HGT","old":"102","new":"110"}]}],"first_cycle":"2025-07-10","last_cycle":"2025-07-10"}