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

KI4JM callsign genealogy

Currently held by MAZZEI, JOSEPH L

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 KI4JM's current licensee, walking backwards.

  1. W4NQAcancelled· E
    MAZZEI, JOSEPH LNCgranted 2009-12-01cancelled 2012-01-21
  2. WA1NQAcancelled· G
    MAZZEI, JOSEPH LNCgranted 1999-04-09cancelled 2000-02-05

Successor callsigns

Callsigns held now by people who previously held KI4JM.

No current licensee on record previously held this callsign.

← Back to KI4JM License history →