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

K1MAD callsign genealogy

Currently held by Kopriva, Thomas 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 K1MAD's current licensee, walking backwards.

  1. K6TLKcancelled· T
    Kopriva, Thomas LCAgranted 2015-02-14cancelled 2022-08-16
  2. KG6FSLcancelled· T
    Kopriva, Thomas LCAgranted 2001-03-22cancelled 2005-03-22

Successor callsigns

Callsigns held now by people who previously held K1MAD.

  1. N6MTAactive· G
    Arel, Madeleine TCAgranted 2020-04-03

All historical holders

Every license row we've seen with the callsign K1MAD, oldest first.

  • Arel, Madeleine T CA
    2013-11-14 → cancelled 2020-04-03
  • Kopriva, Thomas L CA
    2022-08-16 active
← Back to K1MAD License history →