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

WA1SCI callsign genealogy

Currently held by SANFORD, DAVID 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 WA1SCI's current licensee, walking backwards.

  1. W1OZactive· E
    KOSOFF, MITCHEL AMEgranted 2017-11-08
  2. KB1Uactive· E
    FREESTON, ANDREW KNHgranted 2022-10-18
  3. KA1VYXcancelled· E
    FREESTON, ANDREW KNHgranted 2013-09-24cancelled 2022-10-18

Successor callsigns

Callsigns held now by people who previously held WA1SCI.

  1. W1OZcancelled· E
    SANFORD, DAVID LMAgranted 2005-07-23cancelled 2006-01-10
  2. W1APcancelled· E
    SANFORD, DAVID LMAgranted 2004-05-14cancelled 2004-10-19
  3. W1DLScancelled· E
    SANFORD, DAVID LMAgranted 1996-12-11cancelled 2003-12-02

All historical holders

Every license row we've seen with the callsign WA1SCI, oldest first.

  • SANFORD, DAVID L MA
    2003-12-02 → cancelled 2004-05-14
  • SANFORD, DAVID L MA
    2004-10-19 → cancelled 2005-07-23
  • SANFORD, DAVID L MA
    2026-03-12 active
← Back to WA1SCI License history →