{"schema_version":1,"airport":"CN01","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"a3a8870c5e74","priority":"action","category":"frequency","kind":"changed","summary":"center frequencies 132.2, 350.3: now through the Ukiah RCAG instead of the Red Bluff RCAG; an RCAG is a remote center air to ground facility","source":"FRQ","fields":[{"field":"FREQ_USE","old":"RED BLUFF RCAG","new":"UKIAH RCAG"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"e8132e5e892f","priority":"fyi","category":"remark","kind":"changed","summary":"revised tower/ATC remark: Approach and departure service provided by Oakland ARTCC (ZOA) on frequencies 132.2/350.3 (UKIAH RCAG).","source":"ATC_RMK","original":"APCH/DEP SVC PRVDD BY OAKLAND ARTCC (ZOA) ON FREQS 132.2/350.3 (UKIAH RCAG).","fields":[{"field":"REMARK","old":"APCH/DEP CTL SVC PRVDD BY OAKLAND ARTCC (ZOA) ON 132.2/350.3 (RED BLUFF RCAG).","new":"APCH/DEP SVC PRVDD BY OAKLAND ARTCC (ZOA) ON FREQS 132.2/350.3 (UKIAH RCAG)."}]},{"cycle":"2024-11-28","from_cycle":"2024-10-31","id":"424a3b68d249","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 213-400-2549; name changed: Peter Johnston -> Dave Abdo","source":"APT_CON","fields":[{"field":"NAME","old":"PETER JOHNSTON","new":"DAVE ABDO"},{"field":"PHONE_NO","old":"707-962-7523","new":"213-400-2549"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"dc1ceb3417ef","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: 122 -> 112 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"122","new":"112"}]}],"first_cycle":"2024-10-03","last_cycle":"2026-10-01"}