Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1GKX callsign genealogy
Currently held by Ferber, Clarke R
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 W1GKX's current licensee, walking backwards.
- Ferber, ClarkePAgranted 2011-03-29cancelled 2011-04-19
Successor callsigns
Callsigns held now by people who previously held W1GKX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1GKX, oldest first.
- FERBER, MICHAEL L MA1988-05-31 → cancelled 2000-06-01
- Ferber, Clarke R KY2021-06-15 active