Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB0WMB callsign genealogy
Currently held by Brooks, William W
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 WB0WMB's current licensee, walking backwards.
- Brooks, William WIAgranted 2024-10-30cancelled 2024-12-28
Successor callsigns
Callsigns held now by people who previously held WB0WMB.
- Brooks, William WIAgranted 2024-12-28cancelled 2025-12-22
All historical holders
Every license row we've seen with the callsign WB0WMB, oldest first.
- SPERLAZZA, PHYLLIS J AZ2006-05-16 → cancelled 2018-08-14
- Brooks, William W IA2024-12-28 → cancelled 2025-12-02