{"schema_version":1,"airport":"GUM","entries":[{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"21aef72b1241","priority":"action","category":"frequency","kind":"changed","summary":"served facility city: GUAM -> TAMUNING","source":"FRQ","fields":[{"field":"SERVICED_CITY","old":"GUAM","new":"TAMUNING"}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"0eabc64f9983","priority":"fyi","category":"tower","kind":"added","summary":"new ATIS (hours 24)","source":"ATC_ATIS","fields":[{"field":"FACILITY_TYPE","old":"","new":"ATCT"},{"field":"FACILITY_ID","old":"","new":"GUM"},{"field":"ATIS_NO","old":"","new":"1"},{"field":"ATIS_HRS","old":"","new":"24"}]}],"first_cycle":"2025-01-23","last_cycle":"2025-10-02"}