Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS0SBG callsign genealogy
Currently held by GRISWOLD, SHANNON B
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 KS0SBG's current licensee, walking backwards.
- GRISWOLD, SHANNON BKSgranted 2010-06-21cancelled 2010-11-30
Successor callsigns
Callsigns held now by people who previously held KS0SBG.
- GRISWOLD, SHANNON BCOgranted 2025-07-22