Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4NST callsign genealogy
Currently held by GRADISHER, ROBERT A
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 N4NST's current licensee, walking backwards.
- GRADISHER, ROBERT AGAgranted 2008-11-17cancelled 2012-04-27
Successor callsigns
Callsigns held now by people who previously held N4NST.
- GARRETT, RICHARD HVAgranted 2014-07-22cancelled 2022-02-11
All historical holders
Every license row we've seen with the callsign N4NST, oldest first.
- GARRETT, RICHARD H VA2000-02-29 → cancelled 2002-08-28
- GRADISHER, ROBERT A GA2022-01-28 active