Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4AI callsign genealogy
Currently held by BARTHOLOMEW, R 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 KK4AI's current licensee, walking backwards.
- KM4ZGKcancelledNorth Alabama MARA Repeater AssociationALgranted 2016-11-23cancelled 2020-10-23
Successor callsigns
Callsigns held now by people who previously held KK4AI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4AI, oldest first.
- BARTHOLOMEW, R D AL2004-06-30 → cancelled 2016-07-15
- North Alabama MARA Repeater Association AL2020-10-23 active