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

AK9CU callsign genealogy

Currently held by MADRIGAL, JOSE R

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 AK9CU's current licensee, walking backwards.

  1. AK9AAcancelled· E
    MADRIGAL, JOSE RILgranted 2018-05-15cancelled 2018-10-10
  2. AC9SXcancelled· E
    MADRIGAL, JOSE RILgranted 2018-04-21cancelled 2018-05-15
  3. K9CHHcancelled· E
    MADRIGAL, JOSE RILgranted 2018-04-21cancelled 2018-04-26
  4. AC9SLcancelled· E
    MADRIGAL, JOSE RILgranted 2018-02-24cancelled 2018-04-21
  5. AC9SHcancelled· E
    MADRIGAL, JOSE RILgranted 2018-02-24cancelled 2018-03-22
  6. WK6Kactive· E
    Juergen, StorchTXgranted 2022-07-19
  7. AI5IBcancelled· E
    Storch, JuergenTXgranted 2022-06-30cancelled 2022-07-19

Successor callsigns

Callsigns held now by people who previously held AK9CU.

  1. W9LIactive· E
    MADRIGAL, JOSE RILgranted 2019-03-12
← Back to AK9CU License history →