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

NT1Y callsign genealogy

Currently held by Dettelback, Robert G

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 NT1Y's current licensee, walking backwards.

  1. KB1VYYcancelled· E
    Dettelback, Robert GNHgranted 2011-07-28cancelled 2012-04-17

Successor callsigns

Callsigns held now by people who previously held NT1Y.

  1. N9LMactive· E
    MILLER, LISA PILgranted 2017-12-29
  2. AA4XTcancelled· E
    HEIN III, WILLIAM HTNgranted 2008-08-26cancelled 2011-08-09

All historical holders

Every license row we've seen with the callsign NT1Y, oldest first.

  • HEIN III, WILLIAM H VT
    2003-07-29 → cancelled 2008-08-26
  • Dettelback, Robert G NC
    2022-12-23 active
  • MILLER, LISA P R
    — → cancelled 1998-03-10
← Back to NT1Y License history →