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

K7BUM callsign genealogy

Currently held by BRETT, JAMES L

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 K7BUM's current licensee, walking backwards.

  1. K1BUMactive· T
    Phillips, Dean ANCgranted 2024-07-16
  2. KQ4THUcancelled· T
    Phillips, Dean ANCgranted 2024-06-26cancelled 2024-07-16

Successor callsigns

Callsigns held now by people who previously held K7BUM.

  1. W7IJactive· E
    Boger, Michael RAZgranted 2017-03-20
  2. NJ7Bcancelled· E
    BRETT, JAMES LUTgranted 2012-02-29cancelled 2017-07-17

All historical holders

Every license row we've seen with the callsign K7BUM, oldest first.

  • BRETT, JAMES L UT
    2002-04-12 → cancelled 2002-05-28
  • Boger, Michael R AZ
    2013-10-17 → cancelled 2017-03-20
  • Arizona Sun Bums Amateur Radio Club AZ
    2019-04-09 active
← Back to K7BUM License history →