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

N5XXM callsign genealogy

Currently held by HARRIS, KENNETH T

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 N5XXM's current licensee, walking backwards.

  1. K1AAFcancelled· E
    FOLEY, SEAN MRIgranted 2024-05-11cancelled 2024-08-30
  2. KC1TNAcancelled· G
    FOLEY, SEAN MRIgranted 2023-10-04cancelled 2024-05-11

Successor callsigns

Callsigns held now by people who previously held N5XXM.

  1. W5MEUcancelled· G
    HARRIS, KENNETH TTXgranted 2015-10-17cancelled 2020-07-28
  2. K1HOTcancelled· T
    BLACKSTOCK, MICHAEL KAZgranted 2000-10-24cancelled 2009-05-08

All historical holders

Every license row we've seen with the callsign N5XXM, oldest first.

  • BLACKSTOCK, MICHAEL K AZ
    1998-09-15 → cancelled 2000-10-24
  • HARRIS, KENNETH T TX
    2013-08-03 → cancelled 2015-10-17
  • BLACKSTOCK, MICHAEL K MS
    2017-08-18 active
← Back to N5XXM License history →