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

W9RZX callsign genealogy

Currently held by SEIDEL, JEFF

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 W9RZX's current licensee, walking backwards.

  1. N9FREcancelled· G
    SEIDEL, JEFFILgranted 2022-08-20cancelled 2025-02-04
  2. W9YRTcancelled· G
    SEIDEL, JEFFILgranted 2025-02-04cancelled 2025-04-24

Successor callsigns

Callsigns held now by people who previously held W9RZX.

  1. W9YRTcancelled· G
    SEIDEL, JEFFILgranted 2022-04-05cancelled 2022-08-20

All historical holders

Every license row we've seen with the callsign W9RZX, oldest first.

  • ROGERS, MAURICE E IN
    2006-01-31 → cancelled 2018-04-27
  • SEIDEL, JEFF IL
    2020-02-21 → cancelled 2022-04-05
← Back to W9RZX License history →