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

KN0Z callsign genealogy

Currently held by MCLEAN, JOHN M

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 KN0Z's current licensee, walking backwards.

  1. AF0AUcancelled· E
    Nelson, Karl DMNgranted 2020-01-01cancelled 2024-10-22
  2. KB3EIRcancelled· E
    Nelson, Karl DMNgranted 2020-01-01cancelled 2024-09-27

Successor callsigns

Callsigns held now by people who previously held KN0Z.

  1. W0AWactive· E
    HOSLER, GARY RAZgranted 2017-01-18

All historical holders

Every license row we've seen with the callsign KN0Z, oldest first.

  • MCLEAN, JOHN M IN
    2012-07-27 → cancelled 2024-09-26
  • Nelson, Karl D MN
    2024-10-22 active
← Back to KN0Z License history →