Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0WRK callsign genealogy
Currently held by SWANBERG, JOHN C
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 KB0WRK's current licensee, walking backwards.
- KA0WPOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KB0WRK.
- SWANBERG, JOHN CIAgranted 2020-03-12