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

KK4PP callsign genealogy

Currently held by Gray, Jason

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 KK4PP's current licensee, walking backwards.

  1. KW4HJcancelled· E
    Gray, JasonFLgranted 2014-10-03cancelled 2015-04-07
  2. KM4ERTcancelled· E
    Gray, JasonFLgranted 2014-10-03cancelled 2015-03-17

Successor callsigns

Callsigns held now by people who previously held KK4PP.

  1. AA1VAactive· E
    Harrison, Howard TVAgranted 2017-03-30

All historical holders

Every license row we've seen with the callsign KK4PP, oldest first.

  • Harrison, Howard T VA
    1997-10-06 → cancelled 2007-05-18
  • Gray, Jason FL
    2025-04-15 active
← Back to KK4PP License history →