{"schema_version":1,"airport":"1U7","entries":[{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"c81d7bae232c","priority":"action","category":"frequency","kind":"added","summary":"frequency 127.7 (MALAD CITY RCAG) added","source":"FRQ"},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"6c554b742989","priority":"action","category":"frequency","kind":"removed","summary":"frequency 128.35 (BLACKFOOT RCAG) removed","source":"FRQ"},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"02bb7a6859e0","priority":"action","category":"frequency","kind":"removed","summary":"frequency 239.25 (BLACKFOOT RCAG) removed","source":"FRQ"},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"d8b08ec9e1e5","priority":"action","category":"frequency","kind":"added","summary":"frequency 354.125 (MALAD CITY RCAG) added","source":"FRQ"},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"e123fe7a63e8","priority":"action","category":"remark","kind":"changed","summary":"remark updated: APCH/DEP SVC PRVDD BY SALT LAKE ARTCC (ZLC) ON FREQS 127.7/354.125 (MALAD CITY RCAG).","source":"ATC_RMK","original":"APCH/DEP SVC PRVDD BY SALT LAKE ARTCC (ZLC) ON FREQS 127.7/354.125 (MALAD CITY RCAG).","fields":[{"field":"REMARK","old":"APCH/DEP CTL SVC PRVDD BY SALT LAKE ARTCC (ZLC) ON 128.35/239.25 BLACKFOOT RCAG.","new":"APCH/DEP SVC PRVDD BY SALT LAKE ARTCC (ZLC) ON FREQS 127.7/354.125 (MALAD CITY RCAG)."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"467ffc41abbe","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -23C -> -22C","source":"APT_BASE","fields":[{"field":"CTA","old":"-23C","new":"-22C"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"ad435f3fe9b9","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -22C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -22C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -23C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -22C."}]}],"first_cycle":"2025-05-15","last_cycle":"2026-03-19"}