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

ND0M callsign genealogy

Currently held by CARLSON, DONALD 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 ND0M's current licensee, walking backwards.

  1. NA0FBcancelled· E
    JOHNSTON, ROBERTKSgranted 2023-10-11cancelled 2026-04-28
  2. N9FBactive· E
    GREGORY, JAMES WFLgranted 2025-12-09
  3. AD4GNcancelled· E
    GREGORY, JAMES WFLgranted 2023-04-04cancelled 2025-12-09

Successor callsigns

Callsigns held now by people who previously held ND0M.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign ND0M, oldest first.

  • CARLSON, DONALD W MN
    2013-09-04 → cancelled 2026-03-06
  • JOHNSTON, ROBERT KS
    2026-04-28 active
← Back to ND0M License history →