Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SJB callsign genealogy
Currently held by BAXTER, SHANNON J
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 K4SJB's current licensee, walking backwards.
- BAXTER, SHANNON JGAgranted 2012-04-13cancelled 2012-10-10
Successor callsigns
Callsigns held now by people who previously held K4SJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SJB, oldest first.
- TEMPLIN, FRED G FL1998-06-25 → cancelled 2010-06-26
- BAXTER, SHANNON J GA2023-03-28 active