Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG2BSA callsign genealogy
Currently held by Ostergard, Kristofer M
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 KG2BSA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KG2BSA.
No current licensee on record previously held this callsign.