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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

N9LAB callsign genealogy

Currently held by Harnden, Tracy A

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 N9LAB's current licensee, walking backwards.

  1. AB8HEcancelled· E
    BUONAIUTO SR, LEONARD ANYgranted 2012-02-16cancelled 2014-10-07
  2. KE2LEcancelled· E
    BUONAIUTO SR, LEONARD ANYgranted 1992-05-05cancelled 2000-06-02
  3. KB2GMR
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N9LAB.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9LAB, oldest first.

  • Harnden, Tracy A IL
    2001-10-10 → cancelled 2013-10-11
  • BUONAIUTO SR, LEONARD A SC
    2014-10-07 active
← Back to N9LAB License history →