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

KJ1D callsign genealogy

Currently held by DiTullio, Donald E

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 KJ1D's current licensee, walking backwards.

  1. KJ4PCEcancelled· E
    Lawson, Richard DTNgranted 2009-09-21cancelled 2010-11-13

Successor callsigns

Callsigns held now by people who previously held KJ1D.

  1. N1LUcancelled· E
    DiTullio, Donald ETNgranted 2006-05-27cancelled 2011-04-05
  2. K1MEFcancelled· E
    MEFFERT, MICHAEL DVAgranted 1998-06-10cancelled 2005-03-08

All historical holders

Every license row we've seen with the callsign KJ1D, oldest first.

  • DiTullio, Donald E NH
    2005-04-12 → cancelled 2006-05-27
  • Lawson, Richard D TN
    2020-09-21 active
  • MEFFERT, MICHAEL D
    — → cancelled 1998-06-10
← Back to KJ1D License history →