Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NA6US callsign genealogy
Currently held by Sinclair, Dwayne J
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 NA6US's current licensee, walking backwards.
- Sinclair, Dwayne JCAgranted 2019-03-07cancelled 2019-05-21
Successor callsigns
Callsigns held now by people who previously held NA6US.
All historical holders
Every license row we've seen with the callsign NA6US, oldest first.
- JOHNSON JR, FRANK H CA2007-11-03 → cancelled 2008-07-15
- Sinclair, Dwayne J CA2019-05-21 → cancelled 2020-08-18