Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4JA callsign genealogy
Currently held by WAGSTAFF, THOMAS 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 KB4JA's current licensee, walking backwards.
- Albertine Jr, JohnFLgranted 2015-09-11cancelled 2018-06-23
Successor callsigns
Callsigns held now by people who previously held KB4JA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4JA, oldest first.
- WAGSTAFF, THOMAS C AL1988-10-11 → cancelled 2000-10-12
- Albertine Jr, John FL2018-06-23 active