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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N8GIS callsign genealogy

Currently held by Medwick, Allan Joseph

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 N8GIS's current licensee, walking backwards.

  1. AD8HTcancelled· E
    Medwick, Allan JosephMIgranted 2021-09-21cancelled 2021-10-13

Successor callsigns

Callsigns held now by people who previously held N8GIS.

  1. N3GISactive· G
    Ritterbusch, AndreasMDgranted 2024-03-27
  2. K8DAKactive· T
    KOWALSKI, DON AMIgranted 2017-12-28

All historical holders

Every license row we've seen with the callsign N8GIS, oldest first.

  • Ritterbusch, Andreas MD
    2010-03-19 → cancelled 2014-04-25
  • Medwick, Allan Joseph MI
    2021-10-13 active
  • KOWALSKI, DON A
    — → cancelled 1998-03-10
← Back to N8GIS License history →