{"schema_version":1,"airport":"52MI","entries":[{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"80858dd8b369","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"dd5343e6a589","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 1013 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"1013"}]}],"first_cycle":"2025-10-02","last_cycle":"2025-10-02"}