{"schema_version":1,"airport":"3R4","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"c2813433b767","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.3 via the Many outlet no longer available","source":"FRQ"},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"2a3e85e242fd","priority":"action","category":"tower","kind":"changed","summary":"approach/departure control: POLK -> MAKS","source":"ATC_BASE","fields":[{"field":"PRIMARY_APCH_RADIO_CALL","old":"POLK","new":"MAKS"},{"field":"PRIMARY_DEP_RADIO_CALL","old":"POLK","new":"MAKS"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"1aab5b9e03f0","priority":"action","category":"frequency","kind":"changed","summary":"approach control radio call: POLK -> MAKS","source":"FRQ","fields":[{"field":"PRIMARY_APPROACH_RADIO_CALL","old":"POLK","new":"MAKS"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"a49516892503","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: FOR CD CTC IF UNA VIA GCO CTC MAKS APCH AT 726-780-0456.","source":"APT_RMK","original":"FOR CD CTC IF UNA VIA GCO CTC MAKS APCH AT 726-780-0456.","fields":[{"field":"REMARK","old":"FOR CD CTC IF UNA VIA GCO CTC POLK APCH AT 337-531-2352.","new":"FOR CD CTC IF UNA VIA GCO CTC MAKS APCH AT 726-780-0456."}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"037a5e44fe46","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: GCO AVBL ON FREQ 135.075 THRU MAKS APCH AND DE RIDDER FSS.","source":"APT_RMK","original":"GCO AVBL ON FREQ 135.075 THRU MAKS APCH AND DE RIDDER FSS.","fields":[{"field":"REMARK","old":"GCO AVBL ON FREQ 135.075 THRU POLK APCH AND DE RIDDER FSS.","new":"GCO AVBL ON FREQ 135.075 THRU MAKS APCH AND DE RIDDER FSS."}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"5d7f3affd916","priority":"fyi","category":"frequency","kind":"changed","summary":"remark: GCO AVBL ON FREQ 135.075 THRU POLK APCH AND DE RIDDER FSS. -> GCO AVBL ON FREQ 135.075 THRU MAKS APCH AND DE RIDDER FSS.","source":"FRQ","fields":[{"field":"REMARK","old":"GCO AVBL ON FREQ 135.075 THRU POLK APCH AND DE RIDDER FSS.","new":"GCO AVBL ON FREQ 135.075 THRU MAKS APCH AND DE RIDDER FSS."}]},{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"747501531722","priority":"fyi","category":"remark","kind":"added","summary":"new remark: CTC APRT MGR FOR DSGND RAMP SPACE FOR PUB USE.","source":"APT_RMK","original":"CTC APRT MGR FOR DSGND RAMP SPACE FOR PUB USE."}],"first_cycle":"2026-02-19","last_cycle":"2026-09-03"}