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

W6OLD callsign genealogy

Currently held by Dioguardi, Adam M

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 W6OLD's current licensee, walking backwards.

  1. KC3ANDcancelled· T
    Dioguardi, Adam MPAgranted 2023-02-15cancelled 2023-03-04

Successor callsigns

Callsigns held now by people who previously held W6OLD.

  1. W6KWTactive
    KIRK W TODD MEMORIAL ARCCAgranted 2021-02-13
  2. K7VCexpired· E
    FLANAGAN, CHARLES RNVgranted 2013-07-13cancelled 2025-09-13

All historical holders

Every license row we've seen with the callsign W6OLD, oldest first.

  • FLANAGAN, CHARLES R NV
    2001-12-05 → cancelled 2003-09-12
  • Kirk W Todd Memorial ARC CA
    2018-04-03 → cancelled 2021-02-13
  • Dioguardi, Adam M PA
    2023-03-04 active
← Back to W6OLD License history →