Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4GK callsign genealogy
Currently held by COOPER, MARTIN A
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 KW4GK's current licensee, walking backwards.
- COOPER, MARTIN AFLgranted 2013-05-20cancelled 2015-02-23
Successor callsigns
Callsigns held now by people who previously held KW4GK.
- COOPER, MARTIN AFLgranted 2025-02-04