Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9FO callsign genealogy
Currently held by Shaw, Garrett
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 AD9FO's current licensee, walking backwards.
- Shaw, GarrettILgranted 2024-08-10cancelled 2024-09-30
Successor callsigns
Callsigns held now by people who previously held AD9FO.
- Shaw, GarrettILgranted 2024-10-18