Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6RFJ callsign genealogy
Currently held by BUTTICCI, WILLIAM 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 K6RFJ's current licensee, walking backwards.
- Russell, Antoin JCAgranted 2023-04-27cancelled 2023-05-16
Successor callsigns
Callsigns held now by people who previously held K6RFJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6RFJ, oldest first.
- BUTTICCI, WILLIAM M NM2008-11-22 → cancelled 2020-11-24
- Russell, Antoin J CA2023-05-16 active