Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6NBU callsign genealogy
Currently held by BARNETT, ROBERT 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 W6NBU's current licensee, walking backwards.
- Barnett, Daniel SCAgranted 2016-12-27cancelled 2017-03-14
Successor callsigns
Callsigns held now by people who previously held W6NBU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6NBU, oldest first.
- BARNETT, ROBERT M CA2005-01-27 → cancelled 2015-03-25
- Barnett, Daniel S CA2017-03-14 active