Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5GNU callsign genealogy
Currently held by Nelson, James H
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 K5GNU's current licensee, walking backwards.
- Nelson, James HTXgranted 2018-10-18cancelled 2018-11-20
Successor callsigns
Callsigns held now by people who previously held K5GNU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5GNU, oldest first.
- ZAPOTOCZNY, WILLIAM K TX2004-01-02 → cancelled 2016-03-30
- Nelson, James H TX2018-11-20 active