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

KJ4ZZY callsign genealogy

Currently held by Paratore, Paul

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 KJ4ZZY's current licensee, walking backwards.

  1. KF0RICcancelled· T
    Paratore, PaulCOgranted 2024-08-06cancelled 2024-09-06

Successor callsigns

Callsigns held now by people who previously held KJ4ZZY.

  1. N3XYZcancelled· T
    Sowders, Timothy RKYgranted 2020-04-10cancelled 2023-07-11
  2. KY4GHSexpired
    Greenwood High School ARCKYgranted 2011-08-09cancelled 2023-08-10

All historical holders

Every license row we've seen with the callsign KJ4ZZY, oldest first.

  • Greenwood High School ARC KY
    2011-01-31 → cancelled 2011-08-09
  • Sowders, Timothy R KY
    2020-01-24 → cancelled 2020-04-10
  • Paratore, Paul CO
    2024-09-06 active
← Back to KJ4ZZY License history →