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

KD8UM callsign genealogy

Currently held by HOOK, DONALD E

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 KD8UM's current licensee, walking backwards.

  1. KI8UMcancelled· A
    HERMAN, PATRICK DMIgranted 2017-06-14cancelled 2025-01-07
  2. KI8EPcancelled· A
    HERMAN, PATRICK DMIgranted 2003-10-07cancelled 2007-09-07
  3. K8CMAactive· T
    ADAMS, C MOHgranted 2015-11-13
  4. N8JOFcancelled· P
    ADAMS, C MOHgranted 2000-02-11cancelled 2006-01-10
  5. KA8WOU
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KD8UM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KD8UM, oldest first.

  • HOOK, DONALD E MI
    2005-03-11 → cancelled 2016-07-16
  • HERMAN, PATRICK D MI
    2025-01-07 active
← Back to KD8UM License history →