Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3FRJ callsign genealogy
Currently held by COOPER III, JOHN W
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 W3FRJ's current licensee, walking backwards.
- COOPER III, JOHN WMDgranted 1990-02-13cancelled 2000-03-17
Successor callsigns
Callsigns held now by people who previously held W3FRJ.
No current licensee on record previously held this callsign.