Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1MRI callsign genealogy
Currently held by PAUL, JOSEPH 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 N1MRI's current licensee, walking backwards.
- Pfeiffer, Kevin SCTgranted 2020-08-20cancelled 2020-12-22
Successor callsigns
Callsigns held now by people who previously held N1MRI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1MRI, oldest first.
- PAUL, JOSEPH J MA1992-08-18 → cancelled 2004-08-19
- Pfeiffer, Kevin S CT2020-12-22 active