Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SYB callsign genealogy
Currently held by Davis, Bradley S
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 W4SYB's current licensee, walking backwards.
- Davis, Bradley SGAgranted 2021-05-17cancelled 2021-06-07
Successor callsigns
Callsigns held now by people who previously held W4SYB.
No current licensee on record previously held this callsign.