Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4UF callsign genealogy
Currently held by FARREN, RONALD 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 AF4UF's current licensee, walking backwards.
- FARREN, RONALD DSCgranted 1992-06-02cancelled 2000-05-20
Successor callsigns
Callsigns held now by people who previously held AF4UF.
- FARREN, RONALD DSCgranted 2020-03-26