Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1PZ callsign genealogy
Currently held by Zimmermann, Philip A
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 N1PZ's current licensee, walking backwards.
- Dearce, Manuel ACTgranted 2010-05-28cancelled 2019-11-15
Successor callsigns
Callsigns held now by people who previously held N1PZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1PZ, oldest first.
- Zimmermann, Philip A MA2012-02-11 → cancelled 2017-10-27
- Dearce, Manuel A CT2019-11-15 active