Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5JBK callsign genealogy
Currently held by Knox, 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 K5JBK's current licensee, walking backwards.
- Knox, John BTNgranted 2007-12-05cancelled 2008-02-26
Successor callsigns
Callsigns held now by people who previously held K5JBK.
No current licensee on record previously held this callsign.