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

KK4LL callsign genealogy

Currently held by GRUGAL, GARTH M

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 KK4LL's current licensee, walking backwards.

  1. KC2KCBcancelled· E
    Levy, Lawrence TFLgranted 2012-06-06cancelled 2021-03-16

Successor callsigns

Callsigns held now by people who previously held KK4LL.

  1. KC4Mcancelled· E
    GRUGAL, GARTH MNVgranted 2017-08-15cancelled 2022-04-30

All historical holders

Every license row we've seen with the callsign KK4LL, oldest first.

  • BOYD, JOHN K GA
    1997-11-10 → cancelled 2009-11-11
  • GRUGAL, GARTH M NC
    2016-05-24 → cancelled 2017-08-15
  • Levy, Lawrence T FL
    2021-03-16 active
← Back to KK4LL License history →