Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF0W callsign genealogy
Currently held by Gonderinger, Bryan J
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 AF0W's current licensee, walking backwards.
- Gonderinger, Bryan JCOgranted 2014-04-14cancelled 2015-05-27
Successor callsigns
Callsigns held now by people who previously held AF0W.
- ROBB, HOWARD SMNgranted 2007-01-10cancelled 2018-12-19
All historical holders
Every license row we've seen with the callsign AF0W, oldest first.
- Zonfrelli, Joseph V CO2003-05-06 → cancelled 2015-05-07
- Gonderinger, Bryan J CO2025-04-08 active