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

W7DOG callsign genealogy

Currently held by ROBERTS, THOMAS L

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 W7DOG's current licensee, walking backwards.

  1. KT7TTactive· A
    NIELSEN, MARK HAZgranted 2024-03-02
  2. K7ETGcancelled· A
    NIELSEN, MARK HAZgranted 2007-08-31cancelled 2014-05-02
  3. KA7ETGcancelled
    cancelled 1997-10-15

Successor callsigns

Callsigns held now by people who previously held W7DOG.

No current licensee on record previously held this callsign.

← Back to W7DOG License history →