Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4BDO callsign genealogy
Currently held by Ford, Arthur 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 N4BDO's current licensee, walking backwards.
- Ford, Arthur CSCgranted 2017-02-22cancelled 2017-03-14
Successor callsigns
Callsigns held now by people who previously held N4BDO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4BDO, oldest first.
- SMITH, WARREN L NC1996-01-31 → cancelled 2008-02-01
- Ford, Arthur C SC2017-03-14 active