Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4WLO callsign genealogy
Currently held by FORD, SAM 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 N4WLO's current licensee, walking backwards.
- URBAN, TIMOTHY WALgranted 2004-12-15cancelled 2006-12-15
Successor callsigns
Callsigns held now by people who previously held N4WLO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4WLO, oldest first.
- FORD, SAM D TN1991-09-03 → cancelled 2003-09-04
- URBAN, TIMOTHY W AL2016-09-21 active