Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB4VFL callsign genealogy
Currently held by Harmon, Matthew 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 WB4VFL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WB4VFL.
- Harmon, Matthew GTNgranted 2017-06-23cancelled 2025-09-06