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

KC7RM callsign genealogy

Currently held by Martin, Ricky Alan

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 KC7RM's current licensee, walking backwards.

  1. KL7GUcancelled· E
    Martin, Ricky AlanAKgranted 2020-06-23cancelled 2021-01-05
  2. W9CGactive· E
    Gutfrucht, Alan CILgranted 2023-11-10
  3. W9YNactive· E
    Wolfe, William RAZgranted 2025-12-09
  4. KD9IQLcancelled· E
    Wolfe, William RAZgranted 2017-05-22cancelled 2025-12-09

Successor callsigns

Callsigns held now by people who previously held KC7RM.

  1. W9CGcancelled· E
    Martin, Ricky AlanASgranted 2021-03-30cancelled 2021-10-22

All historical holders

Every license row we've seen with the callsign KC7RM, oldest first.

  • DE WITT, LOREN L AZ
    2007-06-06 → cancelled 2019-08-22
  • Martin, Ricky Alan WA
    2021-01-05 → cancelled 2021-03-30
← Back to KC7RM License history →