Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7JRZ callsign genealogy
Currently held by ZIMMER, JASON
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 N7JRZ's current licensee, walking backwards.
- ZIMMER, JASONIDgranted 2019-02-21cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held N7JRZ.
No current licensee on record previously held this callsign.