Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4RK callsign genealogy
Currently held by LEE, WILLIAM M
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 AB4RK's current licensee, walking backwards.
- Martin, BrianWAgranted 2017-10-03cancelled 2017-12-01
Successor callsigns
Callsigns held now by people who previously held AB4RK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4RK, oldest first.
- LEE, WILLIAM M GA1999-07-26 → cancelled 2011-07-27
- Martin, Brian WA2017-12-01 active