Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5GT callsign genealogy
Currently held by Zonneveld, Johannes J
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 K5GT's current licensee, walking backwards.
- Zonneveld, Johannes JTXgranted 2017-12-05cancelled 2018-09-28
Successor callsigns
Callsigns held now by people who previously held K5GT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5GT, oldest first.
- HORTON JR, DEE D TX2006-09-09 → cancelled 2018-09-11
- Zonneveld, Johannes J TX2018-09-28 active