Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4COP callsign genealogy
Currently held by BOYLE, JIM M
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 KF4COP's current licensee, walking backwards.
- BOYLE, JIM MNCgranted 2007-02-28cancelled 2011-12-10
Successor callsigns
Callsigns held now by people who previously held KF4COP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4COP, oldest first.
- BRAND, ROSA D AL1995-08-17 → cancelled 2007-08-18
- BOYLE, JIM M NC2022-11-17 active