Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4TB callsign genealogy
Currently held by COLOSIMO, JOSEPH D
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 AG4TB's current licensee, walking backwards.
- COLOSIMO, JOSEPH DGAgranted 2002-04-09cancelled 2002-06-03
Successor callsigns
Callsigns held now by people who previously held AG4TB.
No current licensee on record previously held this callsign.