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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AB0ZI callsign genealogy

Currently held by Shannon, Carl 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 AB0ZI's current licensee, walking backwards.

  1. KF9ELcancelled· E
    Shannon, Carl LMOgranted 1994-01-18cancelled 2003-10-22
  2. N9JJLactive· T
    Larew Jr, John JNCgranted 2015-11-14
  3. KG4ZJOcancelled· T
    Larew Jr, John JNCgranted 2003-04-01cancelled 2006-01-07

Successor callsigns

Callsigns held now by people who previously held AB0ZI.

No current licensee on record previously held this callsign.

← Back to AB0ZI License history →