Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6RES callsign genealogy
Currently held by Sharp, Ronald 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 N6RES's current licensee, walking backwards.
- Supczak, RandyCAgranted 2023-02-14cancelled 2023-03-04
Successor callsigns
Callsigns held now by people who previously held N6RES.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6RES, oldest first.
- EISENMANN, JOHANNA K CA1988-01-12 → cancelled 2000-01-13
- Sharp, Ronald E FL2005-05-07 → cancelled 2017-05-09
- Supczak, Randy CA2023-03-04 active