Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0SOK callsign genealogy
Currently held by HEARTLAND AMATEUR RADIO ASSN
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 W0SOK's current licensee, walking backwards.
- KB0TYGcancelledGIBBS, JIM Ecancelled 1998-05-28
Successor callsigns
Callsigns held now by people who previously held W0SOK.
No current licensee on record previously held this callsign.