uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N4ZYN callsign genealogy

Currently held by LYNCH III, JOSEPH L

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 N4ZYN's current licensee, walking backwards.

  1. KC4LHJ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4ZYN.

No current licensee on record previously held this callsign.

← Back to N4ZYN License history →