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

K7FRU callsign genealogy

Currently held by Frugia, Marcus 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 K7FRU's current licensee, walking backwards.

  1. KK7ZOIcancelled· T
    FRUGIA, GUY MORgranted 2025-03-08cancelled 2025-04-15

Successor callsigns

Callsigns held now by people who previously held K7FRU.

  1. WA1ASactive· E
    Frugia, Marcus TMAgranted 2018-12-11

All historical holders

Every license row we've seen with the callsign K7FRU, oldest first.

  • Frugia, Marcus T OR
    2011-10-18 → cancelled 2018-12-11
  • FRUGIA, GUY M OR
    2025-04-15 active