Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4MC callsign genealogy
Currently held by Boroughs, Robert D
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 AC4MC's current licensee, walking backwards.
- BOROUGHS, ROBERT DSCgranted 2014-09-09cancelled 2020-02-11
Successor callsigns
Callsigns held now by people who previously held AC4MC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4MC, oldest first.
- CLUTTERBUCK, EARL L KY2001-09-12 → cancelled 2013-12-11
- Boroughs, Robert D FL2020-02-11 active