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

K1RJZ callsign genealogy

Currently held by ZACH, RICHARD J

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 K1RJZ's current licensee, walking backwards.

  1. KB1BNactive· E
    Nienhouse, Robert CNHgranted 2023-12-06
  2. KB1VAWcancelled· E
    Nienhouse, Robert CNHgranted 2010-12-10cancelled 2012-11-20

Successor callsigns

Callsigns held now by people who previously held K1RJZ.

  1. KK1RZactive· E
    ZACH, RICHARD JNHgranted 2023-11-17
← Back to K1RJZ License history →