Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4KJB callsign genealogy
Currently held by DODSON SULLIVAN, CECIL A
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 KJ4KJB's current licensee, walking backwards.
- Bascas, Franscisco JGAgranted 2023-03-14cancelled 2023-04-04
Successor callsigns
Callsigns held now by people who previously held KJ4KJB.
- SULLIVAN, CECIL ANJgranted 2019-09-06
All historical holders
Every license row we've seen with the callsign KJ4KJB, oldest first.
- DODSON SULLIVAN, CECIL A NC2009-03-16 → cancelled 2009-11-06
- Bascas, Franscisco J GA2023-04-04 active