Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NR6O callsign genealogy
Currently held by HOFF SR, JAMES T
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 NR6O's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NR6O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NR6O, oldest first.
- HOFF SR, JAMES T CA1987-10-27 → cancelled 1999-10-28
- RADIO OAKLEY CONTEST CLUB CA2019-12-20 active