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

K8MSW callsign genealogy

Currently held by LADD, DONALD 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 K8MSW's current licensee, walking backwards.

  1. K6MSWcancelled· G
    Welch, Mark SMIgranted 2012-05-30cancelled 2017-06-09
  2. KD8RVFcancelled· G
    Welch, Mark SMIgranted 2012-03-02cancelled 2012-05-30

Successor callsigns

Callsigns held now by people who previously held K8MSW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K8MSW, oldest first.

  • LADD, DONALD C MI
    2002-10-25 → cancelled 2015-01-13
  • Welch, Mark S MI
    2017-06-09 active
← Back to K8MSW License history →