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

W7TDR callsign genealogy

Currently held by Lee, Douglas D

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 W7TDR's current licensee, walking backwards.

  1. K6TDRcancelled· G
    Li, TongNJgranted 2019-02-20cancelled 2022-04-22
  2. K7IJKcancelled· G
    Li, TongCAgranted 2019-01-01cancelled 2019-02-20
  3. N8OOOactive· G
    Beaumont, Derek RMIgranted 2024-11-30
  4. KF8CNBcancelled· G
    Beaumont, Derek RMIgranted 2024-11-05cancelled 2024-11-30

Successor callsigns

Callsigns held now by people who previously held W7TDR.

No current licensee on record previously held this callsign.

← Back to W7TDR License history →