{"schema_version":1,"airport":"MCD","entries":[{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"71ec14ec1b26","priority":"action","category":"weather","kind":"changed","summary":"weather station type: AWOS-3 -> AWOS-3P","source":"AWOS","fields":[{"field":"ASOS_AWOS_TYPE","old":"AWOS-3","new":"AWOS-3P"}]},{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"72f5d4ea330a","priority":"action","category":"frequency","kind":"changed","summary":"frequency 118.275 now listed for MCD AWOS-3P (was MCD AWOS-3); served facility type: AWOS-3 -> AWOS-3P","source":"FRQ","fields":[{"field":"FREQ_USE","old":"MCD AWOS-3","new":"MCD AWOS-3P"},{"field":"SERVICED_SITE_TYPE","old":"AWOS-3","new":"AWOS-3P"}]}],"first_cycle":"2026-02-19","last_cycle":"2026-02-19"}