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

KS0G callsign genealogy

Currently held by MATHYS, MARK C

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 KS0G's current licensee, walking backwards.

  1. AE0GGactive· E
    Pruitt, Ricky NTNgranted 2023-02-14
  2. KF0LEIcancelled· E
    Pruitt, Ricky NNEgranted 2023-01-04cancelled 2023-02-14

Successor callsigns

Callsigns held now by people who previously held KS0G.

  1. K3OFactive· E
    Dawson Jr, Virgil LFLgranted 2017-06-13

All historical holders

Every license row we've seen with the callsign KS0G, oldest first.

  • MATHYS, MARK C ND
    2005-02-09 → cancelled 2017-05-04
  • Dawson Jr, Virgil L FL
    2017-05-23 → cancelled 2017-06-13
  • Dillon mr, Ryan M CO
    2019-08-06 active
← Back to KS0G License history →