Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NR0S callsign genealogy
Currently held by RUPP, AARON P
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 NR0S's current licensee, walking backwards.
- RUPP, AARON PNMgranted 2013-11-19cancelled 2018-01-05
Successor callsigns
Callsigns held now by people who previously held NR0S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NR0S, oldest first.
- MC NUTT JR, CALVIN F MN2005-09-16 → cancelled 2017-12-16
- RUPP, AARON P KS2018-01-05 active