Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RES callsign genealogy
Currently held by SCHWEITZER, 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 K4RES's current licensee, walking backwards.
- SCHWEITZER, ROBERT EVAgranted 1997-06-09cancelled 2000-08-19
Successor callsigns
Callsigns held now by people who previously held K4RES.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4RES, oldest first.
- SPEIGHT, NORMAN C SC1987-09-01 → cancelled 1999-09-02
- SCHWEITZER, ROBERT E FL2020-06-18 active