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

W1DRS callsign genealogy

Currently held by Cavallari, Fortunato 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 W1DRS's current licensee, walking backwards.

  1. KY4HTcancelled· E
    Smith, Dennis RTNgranted 2021-08-16cancelled 2021-11-05
  2. KK4EXYcancelled· E
    Smith, Dennis RTNgranted 2011-10-27cancelled 2021-05-19

Successor callsigns

Callsigns held now by people who previously held W1DRS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W1DRS, oldest first.

  • Cavallari, Fortunato D MA
    2006-10-10 → cancelled 2018-10-11
  • Smith, Dennis R TN
    2021-11-05 active
← Back to W1DRS License history →