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

KA9KPL callsign genealogy

Currently held by LOILER, MARK V

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 KA9KPL's current licensee, walking backwards.

  1. KA7KPLcancelled· G
    Loiler, Mark VORgranted 2000-03-24cancelled 2008-01-15
  2. KC6PTAcancelled· P
    LOILER, MARK VCAgranted 1991-04-02cancelled 2000-03-24

Successor callsigns

Callsigns held now by people who previously held KA9KPL.

  1. K7OIactive· E
    LOILER, MARK VAZgranted 2018-11-24
← Back to KA9KPL License history →