Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG1NPJ callsign genealogy
Currently held by Pfeifer, Juergen
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 KG1NPJ's current licensee, walking backwards.
- Pfeifer, JuergenNYgranted 2021-04-27cancelled 2021-05-18
Successor callsigns
Callsigns held now by people who previously held KG1NPJ.
No current licensee on record previously held this callsign.