Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9BJ callsign genealogy
Currently held by JAFFE, BURTON
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 W9BJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9BJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9BJ, oldest first.
- JAFFE, BURTON IN1994-04-12 → cancelled 2006-04-14
- Cramer, Carl F WI2026-04-07 active