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

K9AM callsign genealogy

Currently held by ANTHONY, MARK D

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 K9AM's current licensee, walking backwards.

  1. WE9Dactive· E
    OPALKO, DARCIEPAgranted 2024-02-10
  2. KC3WNCcancelled· E
    OPALKO, DARCIEPAgranted 2023-08-01cancelled 2024-02-10

Successor callsigns

Callsigns held now by people who previously held K9AM.

No current licensee on record previously held this callsign.