{"schema_version":1,"airport":"DNS","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"94227fd872eb","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.4 via the Denison outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"632f37eefa26","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: For clearance contact MINNEAPOLIS ARTCC at 651-463-5588.","source":"APT_RMK","original":"FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.","new":"FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588."}]},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"21b479f4dbe5","priority":"fyi","category":"runway","kind":"changed","summary":"runway 12: threshold crossing height: 27 -> 28 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"27","new":"28"}]},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"8b8cebd61707","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: runway end elevation: 1264.3 -> 1264.1 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"1264.3","new":"1264.1"}]}],"first_cycle":"2025-11-27","last_cycle":"2026-09-03"}