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

K9GLT callsign genealogy

Currently held by POLSTER, MICHAEL 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 K9GLT's current licensee, walking backwards.

  1. KC9GLTexpired· T
    Thornell, Garland LINgranted 2013-07-16cancelled 2025-07-17
  2. KC9ZDNcancelled· T
    Thornell, Garland LINgranted 2013-06-03cancelled 2013-07-16

Successor callsigns

Callsigns held now by people who previously held K9GLT.

  1. K9MLPactive· E
    POLSTER, MICHAEL LINgranted 2024-02-03
← Back to K9GLT License history →