Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN4OSU callsign genealogy
Currently held by Kyle, Harrison
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 WN4OSU's current licensee, walking backwards.
- Kyle, HarrisonVAgranted 2024-11-14cancelled 2024-12-06
Successor callsigns
Callsigns held now by people who previously held WN4OSU.
No current licensee on record previously held this callsign.