Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0NPC callsign genealogy
Currently held by HALVORSON, MARK E
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 N0NPC's current licensee, walking backwards.
- Harvie, FrancescaCAgranted 2025-08-13cancelled 2026-04-24
Successor callsigns
Callsigns held now by people who previously held N0NPC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0NPC, oldest first.
- HALVORSON, MARK E MN2001-07-11 → cancelled 2013-07-12
- Harvie, Francesca CA2026-04-24 active