Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4FSU callsign genealogy
Currently held by COLLETTE, JOSEPH L
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 WA4FSU's current licensee, walking backwards.
- Evans, Mark SFLgranted 1994-07-09cancelled 2002-10-18
Successor callsigns
Callsigns held now by people who previously held WA4FSU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4FSU, oldest first.
- COLLETTE, JOSEPH L FL1997-04-15 → cancelled 2000-09-22
- Evans, Mark S FL2022-10-12 active