uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W4LOU callsign genealogy

Currently held by DELANNOY, LOUIS F

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 W4LOU's current licensee, walking backwards.

  1. N4LMMcancelled· E
    MOURELATOS, LOUIS MNCgranted 2020-09-12cancelled 2025-01-14
  2. W2LMMcancelled· G
    MOURELATOS, LOUIS MNCgranted 2014-11-08cancelled 2020-09-12
  3. KD2HJCcancelled· G
    MOURELATOS, LOUIS MNYgranted 2014-10-21cancelled 2014-11-08

Successor callsigns

Callsigns held now by people who previously held W4LOU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4LOU, oldest first.

  • DELANNOY, LOUIS F FL
    1999-10-30 → cancelled 2011-11-01
  • MARTINEZ, LOUIS JOHN FL
    2012-08-11 → cancelled 2024-08-13
  • MOURELATOS, LOUIS M NC
    2025-01-14 active
← Back to W4LOU License history →