Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0SBR callsign genealogy
Currently held by Kosbar, Kurt
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 K0SBR's current licensee, walking backwards.
- Kosbar, KurtMOgranted 2018-04-26cancelled 2018-05-15
Successor callsigns
Callsigns held now by people who previously held K0SBR.
No current licensee on record previously held this callsign.