{"schema_version":1,"airport":"WS41","entries":[{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"0fab13add878","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"d9e7e2e9fb77","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: FOR CD CTC MINNEAPOLIS APCH AT 612-713-4016.","source":"APT_RMK","original":"FOR CD CTC MINNEAPOLIS APCH AT 612-713-4016.","fields":[{"field":"REMARK","old":"FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.","new":"FOR CD CTC MINNEAPOLIS APCH AT 612-713-4016."}]}],"first_cycle":"2026-05-14","last_cycle":"2026-05-14"}