Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4RKS callsign genealogy
Currently held by Spargur, Richard K
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 N4RKS's current licensee, walking backwards.
- Stull, Robert KFLgranted 2006-10-31cancelled 2007-09-05
Successor callsigns
Callsigns held now by people who previously held N4RKS.
- Spargur, Richard KNCgranted 2023-04-22
All historical holders
Every license row we've seen with the callsign N4RKS, oldest first.
- Spargur, Richard K VA2003-06-14 → cancelled 2003-07-15
- Stull, Robert K FL2017-06-12 active