Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5GF callsign genealogy
Currently held by GRIFFITH SR, THOMAS E
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 N5GF's current licensee, walking backwards.
- MATZINGER, WILLIAM DFLgranted 2019-02-05cancelled 2020-10-14
Successor callsigns
Callsigns held now by people who previously held N5GF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5GF, oldest first.
- GRIFFITH SR, THOMAS E LA2007-04-19 → cancelled 2007-05-08
- Toland, Donald L OK2009-09-01 → cancelled 2018-09-23
- MATZINGER, WILLIAM D FL2020-10-14 active