Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9GUS callsign genealogy
Currently held by FRENCH, DAVID A
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 N9GUS's current licensee, walking backwards.
- FRENCH, DAVID AMOgranted 2007-07-13cancelled 2015-12-11
Successor callsigns
Callsigns held now by people who previously held N9GUS.
- HARKER, CRAIG SVAgranted 2023-09-12