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

KA1KK callsign genealogy

Currently held by BUTCHER, JAMES G

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 KA1KK's current licensee, walking backwards.

  1. KA1KAcancelled· A
    SHAPIRO, ADAM DMAgranted 2015-04-24cancelled 2021-12-28
  2. WA1ASactive· E
    Frugia, Marcus TMAgranted 2018-12-11
  3. K7FRUactive· G
    FRUGIA, GUY MORgranted 2025-04-15
  4. KK7ZOIcancelled· T
    FRUGIA, GUY MORgranted 2025-03-08cancelled 2025-04-15

Successor callsigns

Callsigns held now by people who previously held KA1KK.

  1. W1GWexpired· E
    WARNER, EUGENE AVTgranted 2006-12-08cancelled 2018-11-06