Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4RES callsign genealogy
Currently held by STALCUP JR, ROBERT E
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 KN4RES's current licensee, walking backwards.
- Stalcup, Ryan ETNgranted 2023-07-12cancelled 2023-08-01
Successor callsigns
Callsigns held now by people who previously held KN4RES.
- STALCUP JR, ROBERT ETNgranted 2018-04-21
All historical holders
Every license row we've seen with the callsign KN4RES, oldest first.
- STALCUP JR, ROBERT E TN2017-04-21 → cancelled 2018-04-21
- Stalcup, Ryan E TN2023-08-01 active