Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4CFA callsign genealogy
Currently held by Osburn Jr, Joseph K
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 W4CFA's current licensee, walking backwards.
- Osburn Jr, Joseph KFLgranted 2002-07-10cancelled 2002-11-02
Successor callsigns
Callsigns held now by people who previously held W4CFA.
No current licensee on record previously held this callsign.