Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI4WD callsign genealogy
Currently held by Kasper, Joel T
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 WI4WD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WI4WD.
No current licensee on record previously held this callsign.