uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KI4MDT callsign genealogy

Currently held by Cummins, Chris C

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 KI4MDT's current licensee, walking backwards.

  1. KI4MCVactive· G
    CUMMINS, CHRISTOPHER CNVgranted 2026-07-25
  2. KM4CZDcancelled· G
    CUMMINS, CHRISTOPHERVAgranted 2006-01-10cancelled 2015-10-06
  3. N4WLWactive· E
    Wild, William LGAgranted 2017-09-12
  4. KM4UTLcancelled· G
    Wild, William LGAgranted 2016-06-20cancelled 2017-09-12

Successor callsigns

Callsigns held now by people who previously held KI4MDT.

  1. N4WLWcancelled· G
    CUMMINS, CHRISTOPHERVAgranted 2006-01-10cancelled 2014-07-11
← Back to KI4MDT License history →