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

W1UL callsign genealogy

Currently held by MAURO, 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 W1UL's current licensee, walking backwards.

  1. W8WEUcancelled· E
    MAURO, THOMAS JTXgranted 2016-07-08cancelled 2024-07-19
  2. AA8RTactive· E
    JONSSON, RUOBEI TALgranted 2022-08-06
  3. KF5IIRcancelled· E
    JONSSON, RUOBEI TALgranted 2020-06-09cancelled 2022-08-06

Successor callsigns

Callsigns held now by people who previously held W1UL.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W1UL, oldest first.

  • HINTZ, PHILIP C ME
    2008-02-05 → cancelled 2010-06-08
  • LeJeune, Urb NJ
    2012-06-29 → cancelled 2024-07-02
  • MAURO, THOMAS J TX
    2024-07-19 active
← Back to W1UL License history →