Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9BPT callsign genealogy
Currently held by TOPCZEWSKI, BEN
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 N9BPT's current licensee, walking backwards.
- TOPCZEWSKI, BENWIgranted 2020-06-01cancelled 2021-07-09
Successor callsigns
Callsigns held now by people who previously held N9BPT.
No current licensee on record previously held this callsign.