Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0OSO callsign genealogy
Currently held by Bear, Carlton L
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 K0OSO's current licensee, walking backwards.
- Bear, Carlton LCAgranted 2003-02-28cancelled 2003-03-25
Successor callsigns
Callsigns held now by people who previously held K0OSO.
- Bear, Carlton LWAgranted 2007-03-27cancelled 2009-06-02