Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9OR callsign genealogy
Currently held by PRESTON, THOMAS G
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 N9OR's current licensee, walking backwards.
- PRESTON, THOMAS GILgranted 2021-02-09cancelled 2021-04-13
Successor callsigns
Callsigns held now by people who previously held N9OR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9OR, oldest first.
- BRUCH, ROBERT P WI2008-12-30 → cancelled 2021-03-26
- PRESTON, THOMAS G IL2021-04-13 active