Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4ZB callsign genealogy
Currently held by DeKalb / Cannon County Amateur Radio Club
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 AB4ZB's current licensee, walking backwards.
- KI4FSGcancelledDeKalb County Amateur Radio ClubTNgranted 2004-05-25cancelled 2004-06-22
Successor callsigns
Callsigns held now by people who previously held AB4ZB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4ZB, oldest first.
- TURNER, JAMES P TN1990-09-25 → cancelled 2002-09-26
- DeKalb / Cannon County Amateur Radio Club TN2024-06-21 active