Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4VIZ callsign genealogy
Currently held by MAIN, DAVID P
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 N4VIZ's current licensee, walking backwards.
- Main, David PVAgranted 2024-05-11cancelled 2024-06-28
Successor callsigns
Callsigns held now by people who previously held N4VIZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4VIZ, oldest first.
- MAIN, DAVID P VA2008-11-25 → cancelled 2021-01-21
- Main, David P VA2024-06-28 active