Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ATL callsign genealogy
Currently held by Mitchell, John 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 K4ATL's current licensee, walking backwards.
- Mitchell, John BGAgranted 2010-03-18cancelled 2011-02-26
- KC4QAIno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K4ATL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ATL, oldest first.
- TOWNSEND, DAVID L GA1999-01-14 → cancelled 2011-01-15
- Mitchell, John B GA2020-12-03 active