Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4FJB callsign genealogy
Currently held by Leach, Paul C
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 WA4FJB's current licensee, walking backwards.
- Provenzano, Michael SVAgranted 2022-06-30cancelled 2022-07-19
Successor callsigns
Callsigns held now by people who previously held WA4FJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4FJB, oldest first.
- Leach, Paul C FL2007-01-03 → cancelled 2019-02-26
- Provenzano, Michael S VA2022-07-19 active