Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0JD callsign genealogy
Currently held by Doyle, Jack W
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 KB0JD's current licensee, walking backwards.
- DOYLE, JACK WUTgranted 2019-06-21cancelled 2019-11-05
Successor callsigns
Callsigns held now by people who previously held KB0JD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0JD, oldest first.
- JANNEKE, ALAN W IL2005-06-11 → cancelled 2017-06-27
- Doyle, Jack W CO2019-11-05 active