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

KC6O callsign genealogy

Currently held by DEXTER, PAUL F

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 KC6O's current licensee, walking backwards.

  1. KJ6KKQcancelled· E
    koogler, russell lCAgranted 2010-09-21cancelled 2020-07-28

Successor callsigns

Callsigns held now by people who previously held KC6O.

  1. K6OPactive· E
    Silvester, Andrew ECAgranted 2018-07-07
  2. N2IPAcancelled· E
    Sanborn III, Lyman Scott HCAgranted 2014-02-28cancelled 2014-05-02

All historical holders

Every license row we've seen with the callsign KC6O, oldest first.

  • DEXTER, PAUL F CA
    1996-02-12 → cancelled 2006-03-16
  • Sanborn III, Lyman Scott H CA
    2007-02-13 → cancelled 2014-02-28
  • Zarate, Harry D CA
    2016-03-26 → cancelled 2016-03-31
  • Silvester, Andrew E CA
    2016-04-01 → cancelled 2018-07-07
  • koogler, russell l CA
    2020-07-28 active
← Back to KC6O License history →