Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4RR callsign genealogy
Currently held by REVIS, ANDREW C
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 AC4RR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC4RR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4RR, oldest first.
- GREENFIELD, DAVID L FL2003-02-18 → cancelled 2015-05-19
- REVIS, ANDREW C NC2026-07-29 active