Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0PO callsign genealogy
Currently held by Pappenfus, Samuel
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 N0PO's current licensee, walking backwards.
- Pappenfus, SamuelMNgranted 2000-04-13cancelled 2001-04-24
Successor callsigns
Callsigns held now by people who previously held N0PO.
No current licensee on record previously held this callsign.