Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WG4BI callsign genealogy
Currently held by SCHWARZ, FRANK M
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 WG4BI's current licensee, walking backwards.
- SCHWARZ, FRANK MGAgranted 2021-06-24cancelled 2024-11-08
- KB4ODLno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WG4BI.
No current licensee on record previously held this callsign.