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

KK7H callsign genealogy

Currently held by Trapp, Sherry A

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 KK7H's current licensee, walking backwards.

  1. W7HOTcancelled· E
    Trapp, Sherry AORgranted 2020-03-20cancelled 2023-09-29
  2. KJ7ISXcancelled· E
    Trapp, Sherry AORgranted 2019-08-28cancelled 2020-03-20

Successor callsigns

Callsigns held now by people who previously held KK7H.

  1. K6SPactive· E
    PERAZZO, GARY SCAgranted 2016-09-15

All historical holders

Every license row we've seen with the callsign KK7H, oldest first.

  • HAMNER, MICHAEL C UT
    2019-02-08 → cancelled 2021-09-10
  • Trapp, Sherry A OR
    2023-09-29 active
← Back to KK7H License history →