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

KW8O callsign genealogy

Currently held by RUNYON JR, DON

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 KW8O's current licensee, walking backwards.

  1. W8WXWcancelled· E
    Welch, Mark SOHgranted 2008-06-27cancelled 2009-08-07
  2. KD8IGDcancelled· G
    Welch, Mark SOHgranted 2008-04-03cancelled 2008-06-27

Successor callsigns

Callsigns held now by people who previously held KW8O.

  1. WA4DRcancelled· E
    RUNYON JR, DONVAgranted 2006-01-10cancelled 2006-01-31
  2. WA4DRcancelled· E
    RUNYON JR, DONVAgranted 2000-02-25cancelled 2000-08-15

All historical holders

Every license row we've seen with the callsign KW8O, oldest first.

  • RUNYON JR, DON VA
    1997-03-04 → cancelled 2000-02-25
  • RUNYON JR, DON VA
    2000-08-15 → cancelled 2006-01-10
  • Welch, Mark S OH
    2019-06-03 active