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

KZ4KNR callsign genealogy

Currently held by Tothrow III, Fred N

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 KZ4KNR's current licensee, walking backwards.

  1. KW4KNRcancelled· T
    Tothrow III, Fred NNCgranted 2021-09-28cancelled 2021-12-03
  2. KO4TCAcancelled· T
    Tothrow III, Fred NNCgranted 2021-09-08cancelled 2021-09-28

Successor callsigns

Callsigns held now by people who previously held KZ4KNR.

No current licensee on record previously held this callsign.

← Back to KZ4KNR License history →