Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4OSK callsign genealogy
Currently held by HINSON, WILLIAM H
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 W4OSK's current licensee, walking backwards.
- Hinson, Kristen NTNgranted 2017-02-15cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held W4OSK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4OSK, oldest first.
- HINSON, WILLIAM H TN2006-11-29 → cancelled 2019-02-12
- Hinson, Kristen N TN2019-02-20 active