Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4ADL callsign genealogy
Currently held by DAVIS, CHARLES S
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 KA4ADL's current licensee, walking backwards.
- Davis, Charles SFLgranted 2013-03-12cancelled 2013-04-26
Successor callsigns
Callsigns held now by people who previously held KA4ADL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4ADL, oldest first.
- DAVIS, CHARLES S FL1999-08-08 → cancelled 2011-08-09
- Davis, Charles S FL2023-04-07 active