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

K7CDT callsign genealogy

Currently held by Thompson, Rodger R

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 K7CDT's current licensee, walking backwards.

  1. KK7JXWcancelled· G
    Thompson, Rodger RNVgranted 2023-01-11cancelled 2023-02-24

Successor callsigns

Callsigns held now by people who previously held K7CDT.

  1. W7CDTactive· E
    Margelli, David MWAgranted 2019-02-14

All historical holders

Every license row we've seen with the callsign K7CDT, oldest first.

  • Margelli, David M WA
    2016-01-05 → cancelled 2019-02-14
  • Thompson, Rodger R NV
    2023-02-24 active
← Back to K7CDT License history →