Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4SGT callsign genealogy
Currently held by GLOVER JR, ALBERT K
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 KC4SGT's current licensee, walking backwards.
- HOLBROOK, DAVID ENCgranted 2011-01-05cancelled 2015-10-27
Successor callsigns
Callsigns held now by people who previously held KC4SGT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4SGT, oldest first.
- GLOVER JR, ALBERT K VA1990-08-07 → cancelled 2002-08-08
- HOLBROOK, DAVID E NC2025-08-05 active