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

AB3KI callsign genealogy

Currently held by COTTON, JOSEPH B

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 AB3KI's current licensee, walking backwards.

  1. N3IQAcancelled· E
    COTTON, JOSEPH BMDgranted 2000-08-15cancelled 2010-01-04

Successor callsigns

Callsigns held now by people who previously held AB3KI.

  1. W3TTTactive· E
    COTTON, JOSEPH BMDgranted 2020-08-26