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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AB5CO callsign genealogy

Currently held by SMITH, HARLEN 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 AB5CO's current licensee, walking backwards.

  1. KF4MKactive· E
    WRIGHT, STEVEN MGAgranted 2021-08-17
  2. KF4MHYcancelled· E
    WRIGHT, STEVEN MGAgranted 1997-02-18cancelled 2001-08-28

Successor callsigns

Callsigns held now by people who previously held AB5CO.

No current licensee on record previously held this callsign.

← Back to AB5CO License history →