Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0GNU callsign genealogy
Currently held by Gilmore, John
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 W0GNU's current licensee, walking backwards.
- Gilmore, JohnCAgranted 2017-10-16cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held W0GNU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0GNU, oldest first.
- VANGSGARD, CHARLES D MN2007-02-07 → cancelled 2018-11-07
- Gilmore, John CA2019-02-20 active