Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9OSL callsign genealogy
Currently held by Our Saviour Church Amateur Radio
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 W9OSL's current licensee, walking backwards.
- KC9DTQcancelledOur Saviour Church Amateur RadioWIgranted 2003-04-23cancelled 2007-02-13
Successor callsigns
Callsigns held now by people who previously held W9OSL.
No current licensee on record previously held this callsign.