Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SGV callsign genealogy
Currently held by Harvey, Mathew R
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 W4SGV's current licensee, walking backwards.
- Harvey, Mathew RVAgranted 2015-01-23cancelled 2015-02-24
Successor callsigns
Callsigns held now by people who previously held W4SGV.
No current licensee on record previously held this callsign.