Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9WOP callsign genealogy
Currently held by BILOTTA, WILLIAM N
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 K9WOP's current licensee, walking backwards.
- BILOTTA, WILLIAMILgranted 2021-01-28cancelled 2021-02-17
Successor callsigns
Callsigns held now by people who previously held K9WOP.
No current licensee on record previously held this callsign.