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

W9DC callsign genealogy

Currently held by CHAMBERLAIN, DONALD S

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 W9DC's current licensee, walking backwards.

  1. N3IUcancelled· E
    Chamberlain, Daniel SINgranted 2020-04-03cancelled 2026-07-28
  2. AA9YVcancelled· E
    Chamberlain, Daniel SINgranted 1996-09-23cancelled 2000-07-01
  3. N9KRMcancelled· G
    CHAMBERLAIN, DANIEL SINgranted 1996-09-23cancelled 2000-06-06

Successor callsigns

Callsigns held now by people who previously held W9DC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9DC, oldest first.

  • CHAMBERLAIN, DONALD S SC
    2020-07-23 → cancelled 2026-04-06
  • Chamberlain, Daniel S IN
    2026-07-28 active
← Back to W9DC License history →