uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N4GZB callsign genealogy

Currently held by DAVIS, CARL D

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 N4GZB's current licensee, walking backwards.

  1. KA4ZMJ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4GZB.

No current licensee on record previously held this callsign.

← Back to N4GZB License history →