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

K0LAS callsign genealogy

Currently held by GILMAN, GARELD I

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 K0LAS's current licensee, walking backwards.

  1. AG7JJactive· E
    JOHNSON, JEFFREY DORgranted 2020-01-18
  2. KI7TFOcancelled· E
    JOHNSON, JEFFREY DORgranted 2018-01-03cancelled 2020-01-18

Successor callsigns

Callsigns held now by people who previously held K0LAS.

  1. K0LIHcancelled· E
    Apisa, Jon WHIgranted 2018-07-27cancelled 2019-05-14

All historical holders

Every license row we've seen with the callsign K0LAS, oldest first.

  • GILMAN, GARELD I CO
    1996-08-08 → cancelled 2008-08-09
  • Apisa, Jon W NV
    2017-11-14 → cancelled 2018-07-27
← Back to K0LAS License history →