Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG0X callsign genealogy
Currently held by QUIAT, MARSHALL
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 AG0X's current licensee, walking backwards.
- ALTVATER, ULRICHFLgranted 2008-11-24cancelled 2009-09-09
Successor callsigns
Callsigns held now by people who previously held AG0X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AG0X, oldest first.
- QUIAT, MARSHALL CO2004-11-17 → cancelled 2006-10-15
- ALTVATER, ULRICH FL2019-06-14 active