Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2OSI callsign genealogy
Currently held by SCHAFER, SCOTT
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 W2OSI's current licensee, walking backwards.
- SCHAFER, SCOTTNYgranted 2004-09-16cancelled 2004-11-23
Successor callsigns
Callsigns held now by people who previously held W2OSI.
No current licensee on record previously held this callsign.