Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NA0U callsign genealogy
Currently held by DAVIS, SCOTT D
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 NA0U's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NA0U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NA0U, oldest first.
- SCHULZ, RONALD K MN2007-07-16 → cancelled 2019-08-23
- DAVIS, SCOTT D CO2019-09-10 active