Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0BBD callsign genealogy
Currently held by Polniak, William L
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 W0BBD's current licensee, walking backwards.
- Polniak, William LCOgranted 2000-05-31cancelled 2001-03-27
Successor callsigns
Callsigns held now by people who previously held W0BBD.
No current licensee on record previously held this callsign.