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

NS5O callsign genealogy

Currently held by HALBERT, JASON P

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 NS5O's current licensee, walking backwards.

  1. KR6DGcancelled· E
    Lacy, Robert ATXgranted 2009-10-06cancelled 2017-09-08
  2. KF6ZCYcancelled· G
    Lacy, Robert ACAgranted 1999-10-19cancelled 1999-11-16

Successor callsigns

Callsigns held now by people who previously held NS5O.

  1. AB7CGexpired· E
    Geyler, Theodore AAZgranted 2014-04-30cancelled 2026-05-27
  2. AH6RTcancelled· E
    HALBERT, JASON PTXgranted 2002-04-04cancelled 2005-08-19

All historical holders

Every license row we've seen with the callsign NS5O, oldest first.

  • HALBERT, JASON P HI
    2002-04-04 → cancelled 2004-01-15
  • HALBERT, JASON P TX
    2005-08-19 → cancelled 2017-08-22
  • Lacy, Robert A TX
    2017-09-08 active
← Back to NS5O License history →