{"schema_version":1,"airport":"EIK","entries":[{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"abd4cff1b97a","priority":"action","category":"frequency","kind":"removed","summary":"frequency 125.12 (APCH/P DEP/P) removed","source":"FRQ"},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"6a5a5a06571f","priority":"action","category":"frequency","kind":"added","summary":"frequency 125.125 (APCH/P DEP/P) added","source":"FRQ"},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"ff1e9ee3a6f0","priority":"action","category":"frequency","kind":"removed","summary":"frequency 263.02 (APCH/P DEP/P) removed","source":"FRQ"},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"8f71aa153683","priority":"action","category":"frequency","kind":"added","summary":"frequency 263.025 (APCH/P DEP/P) added","source":"FRQ"},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"7c85f5846fba","priority":"fyi","category":"runway","kind":"changed","summary":"runway 34: controlling obstacle changed (now 78 ft tall, 1522 ft from threshold, 422 ft left of centerline, clearance slope 16:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"420","new":"422"},{"field":"DIST_FROM_THR","old":"1525","new":"1522"}]}],"first_cycle":"2025-06-12","last_cycle":"2026-01-22"}