Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9UP callsign genealogy
Currently held by Smies, Brian A
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 N9UP's current licensee, walking backwards.
- Smies, Brian AWIgranted 2017-10-20cancelled 2021-07-30
Successor callsigns
Callsigns held now by people who previously held N9UP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9UP, oldest first.
- MARTIN, MARTY J WI2009-06-11 → cancelled 2021-07-12
- Smies, Brian A WI2021-07-30 active