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

AI4ZI callsign genealogy

Currently held by Cline Ill, Harry E

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 AI4ZI's current licensee, walking backwards.

  1. KG4VVCcancelled· E
    Cline Ill, Harry ENCgranted 2004-02-19cancelled 2007-06-20
  2. N9WLXcancelled· T
    CLINE III, HARRY ENCgranted 1994-03-29cancelled 2002-11-05

Successor callsigns

Callsigns held now by people who previously held AI4ZI.

  1. K4YRactive· E
    Cline Ill, Harry ECAgranted 2024-01-17
← Back to AI4ZI License history →