Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9GAK callsign genealogy
Currently held by CHOPPER, JOHN
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 W9GAK's current licensee, walking backwards.
- Karlove, Gregory AILgranted 2011-05-23cancelled 2011-06-11
Successor callsigns
Callsigns held now by people who previously held W9GAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9GAK, oldest first.
- CHOPPER, JOHN IL1987-09-29 → cancelled 1999-09-30
- Karlove, Gregory A IL2021-05-01 active