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

NV1U callsign genealogy

Currently held by Grosvenor III, Thomas H

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 NV1U's current licensee, walking backwards.

  1. KC1UYZcancelled· E
    Walker IV, James MCTgranted 2024-06-15cancelled 2025-09-20

Successor callsigns

Callsigns held now by people who previously held NV1U.

  1. N7ILAcancelled· E
    GRENIER, JUSTIN GORgranted 2006-02-07cancelled 2006-09-12
  2. AA1SIcancelled· E
    WILSON, HARRY DMAgranted 2000-02-01cancelled 2000-02-29

All historical holders

Every license row we've seen with the callsign NV1U, oldest first.

  • GRENIER, JUSTIN G OR
    2004-07-16 → cancelled 2006-02-07
  • Grosvenor III, Thomas H FL
    2013-08-27 → cancelled 2025-08-28
  • Walker IV, James M CT
    2025-09-20 active
← Back to NV1U License history →