uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-15

W9KM callsign genealogy

Currently held by Miller, Mark K

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 W9KM's current licensee, walking backwards.

  1. W9CRVcancelled· E
    Rokhmanov, AndriyILgranted 2014-01-28cancelled 2017-10-06
  2. KC9YETcancelled· G
    Rokhmanov, AndriyILgranted 2013-01-29cancelled 2014-01-28

Successor callsigns

Callsigns held now by people who previously held W9KM.

  1. W9MKMactive· E
    MILLER, MARK KWIgranted 2025-07-26

All historical holders

Every license row we've seen with the callsign W9KM, oldest first.

  • MUDD, KENNETH C IL
    2000-08-22 → cancelled 2009-10-20
  • Miller, Mark K WI
    2011-11-08 → cancelled 2015-09-15
  • Rokhmanov, Andriy IL
    2017-10-06 active
← Back to W9KM License history →