Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5GJK callsign genealogy
Currently held by Kuhlmann, Gregory 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 N5GJK's current licensee, walking backwards.
- Kuhlmann, Gregory JTXgranted 2013-12-13cancelled 2014-01-04
Successor callsigns
Callsigns held now by people who previously held N5GJK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5GJK, oldest first.
- HUGHES, NORMAN W TX1988-09-20 → cancelled 2000-09-22
- Kuhlmann, Gregory J TX2025-05-06 active