Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7JBK callsign genealogy
Currently held by KAUTENBERG, JOHN B
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 W7JBK's current licensee, walking backwards.
- KAUTENBERG, JOHN Bcancelled 1998-02-26
Successor callsigns
Callsigns held now by people who previously held W7JBK.
No current licensee on record previously held this callsign.