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

NU3U callsign genealogy

Currently held by GRANT, JOSEPH S

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 NU3U's current licensee, walking backwards.

  1. K7UTPcancelled· E
    GRANT, JOSEPH SUTgranted 2020-11-06cancelled 2020-12-15
  2. KJ7LTEcancelled· E
    GRANT, JOSEPH SUTgranted 2020-01-22cancelled 2020-11-06

Successor callsigns

Callsigns held now by people who previously held NU3U.

  1. K3MEactive· E
    SELA'SE, MELEK WTXgranted 2018-11-24

All historical holders

Every license row we've seen with the callsign NU3U, oldest first.

  • NIELSEN, ROBERT E MD
    1998-06-29 → cancelled 2010-06-30
  • SELA'SE, MELEK W TX
    2012-04-13 → cancelled 2018-11-24
  • GRANT, JOSEPH S UT
    2020-12-15 active
← Back to NU3U License history →