Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4CF callsign genealogy
Currently held by GRAY A, ROGER
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 AB4CF's current licensee, walking backwards.
- GRAY A, ROGERALgranted 2008-09-02cancelled 2010-08-20
Successor callsigns
Callsigns held now by people who previously held AB4CF.
No current licensee on record previously held this callsign.