Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1BSM callsign genealogy
Currently held by May, Brian S
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 W1BSM's current licensee, walking backwards.
- May, Brian SCTgranted 2000-11-17cancelled 2000-12-27
Successor callsigns
Callsigns held now by people who previously held W1BSM.
No current licensee on record previously held this callsign.