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

KY1Z callsign genealogy

Currently held by Gaddas, John R

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 KY1Z's current licensee, walking backwards.

  1. WA1HSUcancelled· E
    Gaddas, John RFLgranted 2007-10-12cancelled 2008-08-19
  2. KI4ZDPcancelled· G
    GADDAS, JOHN RFLgranted 2007-08-30cancelled 2007-10-12

Successor callsigns

Callsigns held now by people who previously held KY1Z.

  1. K9QYactive· E
    STANLEY, HOMER RILgranted 2021-06-15

All historical holders

Every license row we've seen with the callsign KY1Z, oldest first.

  • STANLEY, HOMER R MD
    1994-09-14 → cancelled 2001-08-04
  • Gaddas, John R FL
    2018-07-17 active
← Back to KY1Z License history →