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

W1AP 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 W1AP's current licensee, walking backwards.

  1. K1AHactive· E
    Motto, Vincent JCTgranted 2018-09-07
  2. N1MNactive· E
    MORRIS, ELDEN HGAgranted 2020-10-07
  3. N1ETNactive· E
    Burns, EthanNHgranted 2025-12-09
  4. KC1YDScancelled· G
    Burns, EthanNHgranted 2025-08-08cancelled 2025-12-09

Successor callsigns

Callsigns held now by people who previously held W1AP.

  1. WA1SCIcancelled· E
    SANFORD, DAVID LMAgranted 2004-10-19cancelled 2005-07-23

All historical holders

Every license row we've seen with the callsign W1AP, oldest first.

  • MARKS, WILLIAM R FL
    1997-11-25 → cancelled 2001-09-18
  • SANFORD, DAVID L MA
    2004-05-14 → cancelled 2004-10-19
  • HASHIMOTO, AKIHIRO CT
    2016-08-10 active