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

KS0COP callsign genealogy

Currently held by LAPINSKAS, MARK M

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 KS0COP's current licensee, walking backwards.

  1. KL7COPcancelled· T
    LAPINSKAS, MARK MKSgranted 2000-07-18cancelled 2002-11-15

Successor callsigns

Callsigns held now by people who previously held KS0COP.

  1. WY0COPcancelled· T
    LAPINSKAS, MARK MORgranted 2014-01-14cancelled 2020-10-09
  2. KL7COPcancelled· T
    LAPINSKAS, MARK MKSgranted 2000-07-18cancelled 2002-11-15

All historical holders

Every license row we've seen with the callsign KS0COP, oldest first.

  • LAPINSKAS, MARK M KS
    2000-01-25 → cancelled 2000-07-18
  • LAPINSKAS, MARK M WY
    2002-11-15 → cancelled 2004-03-12