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

KB1EXO callsign genealogy

Currently held by Lalmond, Harold J

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 KB1EXO's current licensee, walking backwards.

  1. KA1SGScancelled· P
    LALMOND, HAROLD JNHgranted 1998-05-07cancelled 2000-03-21

Successor callsigns

Callsigns held now by people who previously held KB1EXO.

  1. AC1FXactive· E
    Lalmond, Harold JNHgranted 2018-04-02