Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WC6O callsign genealogy
Currently held by CRUSBERG, WALTER G
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 WC6O's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WC6O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WC6O, oldest first.
- CRUSBERG, WALTER G CA1992-02-25 → cancelled 2004-02-26
- SIKORA, GERALD A CA2024-04-02 active