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

N0SGH callsign genealogy

Currently held by MAHNKE, RICHARD L

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 N0SGH's current licensee, walking backwards.

  1. W5KRMcancelled· G
    Mahnke, Kenneth RTXgranted 2008-08-26cancelled 2015-07-17
  2. WB9STUcancelled· G
    Mahnke, Kenneth RTXgranted 2004-07-20cancelled 2008-08-26
  3. KD6DHLcancelled· G
    Mahnke, Kenneth RTXgranted 2001-10-23cancelled 2004-07-20

Successor callsigns

Callsigns held now by people who previously held N0SGH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N0SGH, oldest first.

  • MAHNKE, RICHARD L IL
    2012-04-23 → cancelled 2015-05-09
  • Mahnke, Kenneth R TX
    2025-06-13 active
← Back to N0SGH License history →