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

K7IAM callsign genealogy

Currently held by BLACKBURN, CHRIS 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 K7IAM's current licensee, walking backwards.

  1. KD0JAAcancelled· T
    BLACKBURN, CHRIS MIDgranted 2020-10-02cancelled 2020-10-23

Successor callsigns

Callsigns held now by people who previously held K7IAM.

  1. W7RPEactive· E
    Evanson, PaulWAgranted 2017-05-20

All historical holders

Every license row we've seen with the callsign K7IAM, oldest first.

  • EVANSON, PAUL WA
    2016-05-24 → cancelled 2017-05-20
  • BLACKBURN, CHRIS M ID
    2020-10-23 active