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

K6RMM callsign genealogy

Currently held by KURTZMAN, SHELDON 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 K6RMM's current licensee, walking backwards.

  1. KH6HHcancelled· E
    MORCATE, GUS AHIgranted 2022-06-07cancelled 2025-04-11
  2. KH6GGactive· G
    Avila, Thomas CHIgranted 2024-10-25
  3. WH6GWLcancelled· G
    Avila, Thomas CHIgranted 2023-06-02cancelled 2024-10-25

Successor callsigns

Callsigns held now by people who previously held K6RMM.

  1. KH6HHcancelled· E
    KURTZMAN, SHELDON MHIgranted 2009-10-06cancelled 2019-08-22

All historical holders

Every license row we've seen with the callsign K6RMM, oldest first.

  • KURTZMAN, SHELDON M HI
    1998-12-31 → cancelled 1999-12-24
  • KURTZMAN, SHELDON M CA
    2019-08-22 active
← Back to K6RMM License history →