Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1SFJ callsign genealogy
Currently held by Perry, Cory
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 W1SFJ's current licensee, walking backwards.
- Perry, CoryMEgranted 2024-03-08cancelled 2024-04-02
Successor callsigns
Callsigns held now by people who previously held W1SFJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1SFJ, oldest first.
- MAY, FREDERICK G MA1988-03-22 → cancelled 2000-03-23
- Perry, Cory ME2024-04-02 active