Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3JAB callsign genealogy
Currently held by BULMER, JOHN 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 K3JAB's current licensee, walking backwards.
- BULMER, JOHN APAgranted 1995-07-14cancelled 2001-02-10
Successor callsigns
Callsigns held now by people who previously held K3JAB.
- BULMER, JOHN AFLgranted 2022-10-25