Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6GSO callsign genealogy
Currently held by Oberfield, Gregory S
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 N6GSO's current licensee, walking backwards.
- Oberfield, Gregory SILgranted 2024-01-03cancelled 2025-08-23
Successor callsigns
Callsigns held now by people who previously held N6GSO.
- Oberfield, Gregory SILgranted 2025-12-09
All historical holders
Every license row we've seen with the callsign N6GSO, oldest first.
- Enloe, Russell T CA2001-05-30 → cancelled 2013-05-31
- Oberfield, Gregory S IL2025-08-23 → cancelled 2025-12-09