Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1RBB callsign genealogy
Currently held by Bruchwalski, Ronald
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 W1RBB's current licensee, walking backwards.
- Bruchwalski, RonaldCOgranted 2016-02-10cancelled 2020-02-08
Successor callsigns
Callsigns held now by people who previously held W1RBB.
No current licensee on record previously held this callsign.