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

W9FDL callsign genealogy

Currently held by ANTLFINGER, THOMAS J

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 W9FDL's current licensee, walking backwards.

  1. N9HDactive· E
    SIEGEL, HOWARDNVgranted 2021-01-08
  2. KB2FIcancelled· E
    SIEGEL, HOWARDNYgranted 1997-01-06cancelled 2001-04-03

Successor callsigns

Callsigns held now by people who previously held W9FDL.

  1. K9MWPactive· E
    ANTLFINGER, THOMAS JWIgranted 2020-01-14
← Back to W9FDL License history →