Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4OSG callsign genealogy
Currently held by BONICA, RONALD 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 W4OSG's current licensee, walking backwards.
- BONICA, RONALD PVAgranted 2010-03-24cancelled 2011-09-24
Successor callsigns
Callsigns held now by people who previously held W4OSG.
No current licensee on record previously held this callsign.