Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4MFT callsign genealogy
Currently held by DURHAM JR, JOHN O
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 WD4MFT's current licensee, walking backwards.
- Bedenbaugh, ArtFLgranted 2021-07-13cancelled 2021-08-10
Successor callsigns
Callsigns held now by people who previously held WD4MFT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD4MFT, oldest first.
- DURHAM JR, JOHN O FL2001-12-27 → cancelled 2014-03-25
- Bedenbaugh III, Arthur N FL2021-08-10 active