Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5REF callsign genealogy
Currently held by MEDLOCK, WILLIAM C
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 W5REF's current licensee, walking backwards.
- Farnam, Robert EALgranted 2024-05-07cancelled 2024-05-25
Successor callsigns
Callsigns held now by people who previously held W5REF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5REF, oldest first.
- MEDLOCK, WILLIAM C IL2006-11-29 → cancelled 2019-02-13
- Farnam, Robert E FL2024-05-25 active