Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4GFS callsign genealogy
Currently held by KEUPER, JEROME P
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 WA4GFS's current licensee, walking backwards.
- SANTIAGO, GLADYS FFLgranted 2022-03-30cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held WA4GFS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4GFS, oldest first.
- KEUPER, JEROME P FL1989-06-06 → cancelled 2001-06-07
- SANTIAGO, GLADYS F FL2022-04-19 active