Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4EXA callsign genealogy
Currently held by DEWAR, ANDREW
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 K4EXA's current licensee, walking backwards.
- DEWAR, ANDREWALgranted 2024-03-21cancelled 2024-07-30
Successor callsigns
Callsigns held now by people who previously held K4EXA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4EXA, oldest first.
- CLARK, WILLIAM D SC2011-08-23 → cancelled 2023-11-21
- DEWAR, ANDREW AL2024-07-30 active