Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ4JB callsign genealogy
Currently held by Tunnell, James D
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 AJ4JB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AJ4JB.
- Tunnell, James DALgranted 2008-07-04cancelled 2009-01-16