Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1PSU callsign genealogy
Currently held by Brennecke, Craig F
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 N1PSU's current licensee, walking backwards.
- Brennecke, Craig FPAgranted 2019-12-26cancelled 2020-02-04
Successor callsigns
Callsigns held now by people who previously held N1PSU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1PSU, oldest first.
- JEWELL JR, RALPH L ME2003-04-08 → cancelled 2015-07-07
- Brennecke, Craig F PA2020-02-04 active