Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4GSK callsign genealogy
Currently held by SHELTON, DONALD F
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 W4GSK's current licensee, walking backwards.
- Hallman, Gary QVAgranted 2005-06-06cancelled 2005-08-20
Successor callsigns
Callsigns held now by people who previously held W4GSK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4GSK, oldest first.
- SHELTON, DONALD F FL1991-12-24 → cancelled 2003-12-25
- HALLMAN, GARY Q VA2025-08-02 active