Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9ES callsign genealogy
Currently held by ADAMS COUNTY AMATEUR RADIO EMERGENCY SER
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AC9ES's current licensee, walking backwards.
- KB9RFRcancelledADAMS COUNTY AMATEUR RADIO EMERGENCY SERVICEILgranted 1997-07-28cancelled 2000-05-30
Successor callsigns
Callsigns held now by people who previously held AC9ES.
No current licensee on record previously held this callsign.