Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0RB callsign genealogy
Currently held by Schulman, Jonathan
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 KB0RB's current licensee, walking backwards.
- Schulman, JonathanCAgranted 2025-01-03cancelled 2025-03-14
Successor callsigns
Callsigns held now by people who previously held KB0RB.
No current licensee on record previously held this callsign.