Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SMG callsign genealogy
Currently held by Glover, Shawn 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 K4SMG's current licensee, walking backwards.
- GASPER, STEPHEN MTNgranted 2015-09-14cancelled 2015-12-25
Successor callsigns
Callsigns held now by people who previously held K4SMG.
- Glover, Shawn MTXgranted 2025-06-10
All historical holders
Every license row we've seen with the callsign K4SMG, oldest first.
- Glover, Shawn M ME2000-09-26 → cancelled 2003-06-14
- GASPER, STEPHEN M TN2026-01-03 active