Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4FVB callsign genealogy
Currently held by Brock, Fredrick V
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 W4FVB's current licensee, walking backwards.
- Brock, Fredrick VALgranted 2021-04-21cancelled 2021-05-18
Successor callsigns
Callsigns held now by people who previously held W4FVB.
No current licensee on record previously held this callsign.