Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9RX callsign genealogy
Currently held by COLAO, THOMAS F
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 AB9RX's current licensee, walking backwards.
- COLAO, THOMAS FILgranted 2001-08-28cancelled 2008-08-02
Successor callsigns
Callsigns held now by people who previously held AB9RX.
No current licensee on record previously held this callsign.