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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W7IDT callsign genealogy

Currently held by CAMPBELL, DOUGLAS P

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 W7IDT's current licensee, walking backwards.

  1. KC7MHPcancelled· G
    CAMPBELL, DOUGLAS PIDgranted 2017-08-17cancelled 2023-04-11
  2. N6VOI
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W7IDT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W7IDT, oldest first.

  • GALE SR, LEE R WA
    1990-11-20 → cancelled 2002-11-21
  • CAMPBELL, DOUGLAS P ID
    2023-04-11 active