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

K0TZ callsign genealogy

Currently held by KOTZ, EDWARD H 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 K0TZ's current licensee, walking backwards.

  1. KN3Bactive· E
    Ellis, Brad LPAgranted 2019-05-25
  2. KC3IQQcancelled· E
    Ellis, Brad LPAgranted 2017-02-27cancelled 2019-05-25

Successor callsigns

Callsigns held now by people who previously held K0TZ.

  1. AD7GRactive· E
    KOTZ, EDWARD H DWYgranted 2026-08-12

All historical holders

Every license row we've seen with the callsign K0TZ, oldest first.

  • KOTZ, EDWARD H D OR
    1996-11-04 → cancelled 2005-08-23
  • Yablans, Robert S CO
    2007-09-11 → cancelled 2015-03-10
  • Cardoos, Stephen W CA
    2017-03-31 active
← Back to K0TZ License history →