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

WU4I callsign genealogy

Currently held by PEARCE, OLLIVER W

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 WU4I's current licensee, walking backwards.

  1. K4BCYcancelled· E
    Collins, William JFLgranted 2022-02-23cancelled 2023-04-08
  2. KO4HAJcancelled· G
    Collins, Williams JFLgranted 2020-09-04cancelled 2022-02-23

Successor callsigns

Callsigns held now by people who previously held WU4I.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WU4I, oldest first.

  • PEARCE, OLLIVER W FL
    1988-04-12 → cancelled 2000-04-13
  • Gardner, Michael G AL
    2011-02-23 → cancelled 2023-02-28
  • Collins, William J FL
    2023-04-08 active
← Back to WU4I License history →