Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1ARM callsign genealogy
Currently held by Jorgensen, Philip W
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 N1ARM's current licensee, walking backwards.
- Jorgensen, Philip WMNgranted 2005-08-16cancelled 2007-02-23
Successor callsigns
Callsigns held now by people who previously held N1ARM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1ARM, oldest first.
- MONSEN, GEORGE W MA1994-05-24 → cancelled 2006-05-25
- Jorgensen, Philip W MN2017-01-05 active