Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4UC callsign genealogy
Currently held by Ryan, Thomas P
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 AG4UC's current licensee, walking backwards.
- Ryan, Thomas PFLgranted 2000-02-17cancelled 2002-06-20
Successor callsigns
Callsigns held now by people who previously held AG4UC.
- Ryan, Thomas PFLgranted 2020-05-22