Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6SPB callsign genealogy
Currently held by BONADIO, STEVEN P
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 W6SPB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W6SPB.
No current licensee on record previously held this callsign.