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

AI4LJ callsign genealogy

Currently held by SPRINGER, ROY J

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 AI4LJ's current licensee, walking backwards.

  1. KD4TSXcancelled· E
    SPRINGER, ROY JTNgranted 2002-07-17cancelled 2005-07-22

Successor callsigns

Callsigns held now by people who previously held AI4LJ.

  1. AD4WZexpired· E
    SPRINGER, ROY JTNgranted 2005-08-12cancelled 2017-08-15
← Back to AI4LJ License history →