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

KC3EIZ callsign genealogy

Currently held by BLACKWOOD I, MICHAEL R

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 KC3EIZ's current licensee, walking backwards.

  1. KC3DKAcancelled· G
    BLACKWOOD I, MICHAEL RPAgranted 2010-01-08cancelled 2015-02-19
  2. KG4GRFcancelled· T
    BLACKWOOD I, MICHAEL RPAgranted 2010-01-08cancelled 2014-08-26
  3. N4YLAactive· E
    CROSS, JOE ATNgranted 2024-02-13
  4. KE4SJDcancelled· G
    CROSS, JOE ATNgranted 2014-08-14cancelled 2024-02-13

Successor callsigns

Callsigns held now by people who previously held KC3EIZ.

No current licensee on record previously held this callsign.

← Back to KC3EIZ License history →