Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0GO callsign genealogy
Currently held by Willwater, Ryan 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 AD0GO's current licensee, walking backwards.
- Willwater, Ryan AAZgranted 2018-08-14cancelled 2022-04-30
Successor callsigns
Callsigns held now by people who previously held AD0GO.
- Spizzichino, PacificoCAgranted 2023-12-23
All historical holders
Every license row we've seen with the callsign AD0GO, oldest first.
- Spizzichino, Pacifico IA2013-12-17 → cancelled 2014-01-14
- Willwater, Ryan A AZ2022-04-30 active