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

KF7L callsign genealogy

Currently held by TAYLOR, MARK D

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 KF7L's current licensee, walking backwards.

  1. KC7BEOcancelled· E
    HAYDEN, LARRY GMTgranted 2004-02-05cancelled 2008-05-06

Successor callsigns

Callsigns held now by people who previously held KF7L.

  1. WC6Dactive· E
    TAYLOR, MARK DNVgranted 2026-02-10

All historical holders

Every license row we've seen with the callsign KF7L, oldest first.

  • HARP, MAURICE C WA
    1991-02-12 → cancelled 2003-02-13
  • TAYLOR, MARK D NV
    2003-11-04 → cancelled 2006-04-04
  • HAYDEN, LARRY G MT
    2018-02-14 active