Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SJB callsign genealogy
Currently held by Bladow, Sandra J
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 K0SJB's current licensee, walking backwards.
- Bladow, Sandra JCOgranted 2002-05-22cancelled 2011-07-06
Successor callsigns
Callsigns held now by people who previously held K0SJB.
No current licensee on record previously held this callsign.