Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6BTU callsign genealogy
Currently held by OPP, WAYNE M
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 N6BTU's current licensee, walking backwards.
- Opp, Wayne MCAgranted 2018-02-20cancelled 2018-03-13
Successor callsigns
Callsigns held now by people who previously held N6BTU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6BTU, oldest first.
- OPP, WAYNE M CA1995-06-20 → cancelled 2007-06-21
- Opp, Wayne M CA2018-03-13 active