Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF4R callsign genealogy
Currently held by RUNYON SR, WILLIAM B
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 WF4R's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WF4R.
No current licensee on record previously held this callsign.