uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

WC0M callsign genealogy

Currently held by Kurtti, Roger W

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 WC0M's current licensee, walking backwards.

  1. WC0EMcancelled· E
    Marx, Gregory GMNgranted 2017-01-07cancelled 2019-02-09
  2. WF0GMactive
    Morrison Contest ClubCOgranted 2020-07-10
  3. KF0AOMcancelled
    Morrison Contest ClubCOgranted 2020-06-19cancelled 2020-07-10

Successor callsigns

Callsigns held now by people who previously held WC0M.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WC0M, oldest first.

  • Kurtti, Roger W ND
    2007-08-13 → cancelled 2016-12-21
  • Marx, Gregory G MN
    2019-02-09 active
← Back to WC0M License history →