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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KD9HAY callsign genealogy

Currently held by DAVID, HAYDEN 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 KD9HAY's current licensee, walking backwards.

  1. KD9YUWcancelled· T
    DAVID, HAYDEN RINgranted 2023-08-22cancelled 2023-09-09

Successor callsigns

Callsigns held now by people who previously held KD9HAY.

  1. WI9HROactive
    HRO MILWAUKEE EMPLOYEES AMATEUR RADIO CLUBWIgranted 2026-08-04

All historical holders

Every license row we've seen with the callsign KD9HAY, oldest first.

  • HRO MILWAUKEE EMPLOYEES AMATEUR RADIO CLUB WI
    2016-09-27 → cancelled 2016-10-22
  • DAVID, HAYDEN R IN
    2023-09-09 active
← Back to KD9HAY License history →