Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3JAK callsign genealogy
Currently held by Wilbourn, Jack 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 K3JAK's current licensee, walking backwards.
- Wilbourn, Jack BCAgranted 2008-04-28cancelled 2008-07-08
Successor callsigns
Callsigns held now by people who previously held K3JAK.
No current licensee on record previously held this callsign.