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

W7DID callsign genealogy

Currently held by SMEDSTAD, ROLLIN 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 W7DID's current licensee, walking backwards.

  1. WB7DIDcancelled· T
    Yates, Daniel CORgranted 2003-11-21cancelled 2007-03-02
  2. KD7UCRcancelled· T
    Yates, Daniel CORgranted 2003-01-23cancelled 2003-11-21

Successor callsigns

Callsigns held now by people who previously held W7DID.

  1. W7HWactive· E
    SMEDSTAD, ROLLIN DORgranted 2014-11-13

All historical holders

Every license row we've seen with the callsign W7DID, oldest first.

  • SMEDSTAD, ROLLIN D OR
    1998-03-03 → cancelled 2005-02-05
  • Yates, Daniel C OR
    2017-01-25 active