Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4OU callsign genealogy
Currently held by COLLINS, MATTHEW S
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 AG4OU's current licensee, walking backwards.
- COLLINS, MATTHEW SGAgranted 2001-02-26cancelled 2002-02-19
Successor callsigns
Callsigns held now by people who previously held AG4OU.
No current licensee on record previously held this callsign.