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

KZ7A callsign genealogy

Currently held by FULLER, ROBERT T

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 KZ7A's current licensee, walking backwards.

  1. KD7QOOcancelled· E
    CARLSON, JUSTIN QWYgranted 2012-04-10cancelled 2021-05-18
  2. KC4MMZcancelled· P
    CARLSON, JUSTIN QIDgranted 1990-11-27cancelled 2002-04-02

Successor callsigns

Callsigns held now by people who previously held KZ7A.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KZ7A, oldest first.

  • FULLER, ROBERT T OR
    2009-01-29 → cancelled 2021-04-30
  • CARLSON, JUSTIN Q WY
    2021-05-18 active