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

NB0D callsign genealogy

Currently held by STEPHAN, HELEN J

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 NB0D's current licensee, walking backwards.

  1. AC0VScancelled· E
    Praska, Michael WMNgranted 2011-03-03cancelled 2011-05-03
  2. KD0NTGcancelled· E
    Praska, Michael WMNgranted 2011-03-03cancelled 2011-04-13

Successor callsigns

Callsigns held now by people who previously held NB0D.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NB0D, oldest first.

  • STEPHAN, HELEN J SD
    1998-09-30 → cancelled 2010-10-01
  • Praska, Michael W MN
    2021-03-12 active
← Back to NB0D License history →