Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4VAW callsign genealogy
Currently held by MUMFORD, ROBERT D
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 N4VAW's current licensee, walking backwards.
- Witscher, ValerieGAgranted 2020-06-09cancelled 2020-06-27
Successor callsigns
Callsigns held now by people who previously held N4VAW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4VAW, oldest first.
- MUMFORD, ROBERT D TN1989-02-21 → cancelled 2001-02-22
- Witscher, Valerie GA2020-06-27 active