Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3BIL callsign genealogy
Currently held by Hapner, William J
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 W3BIL's current licensee, walking backwards.
- Hapner, William JTNgranted 2007-02-02cancelled 2007-02-23
Successor callsigns
Callsigns held now by people who previously held W3BIL.
No current licensee on record previously held this callsign.