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

WR3U callsign genealogy

Currently held by WATERS, DAVID R

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 WR3U's current licensee, walking backwards.

  1. AB3MZcancelled· E
    WATERS, DAVID RPAgranted 2012-05-29cancelled 2020-03-17
  2. N3NDHcancelled· E
    WATERS, DAVID RPAgranted 2002-05-08cancelled 2011-03-24

Successor callsigns

Callsigns held now by people who previously held WR3U.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WR3U, oldest first.

  • BARRETT, ROBERT K MD
    2011-07-19 → cancelled 2018-01-20
  • WATERS, DAVID R PA
    2020-03-17 active
← Back to WR3U License history →