Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4GTR callsign genealogy
Currently held by Nagel, Gerald A
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 KD4GTR's current licensee, walking backwards.
- Nagel, Gerald AVAgranted 2023-12-19cancelled 2024-01-09
Successor callsigns
Callsigns held now by people who previously held KD4GTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4GTR, oldest first.
- BRASSFIELD, ANTHONY E TN1991-11-12 → cancelled 2003-11-13
- Nagel, Gerald A VA2024-01-09 active