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

NI9K callsign genealogy

Currently held by HUMMEL, SCOTT M

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 NI9K's current licensee, walking backwards.

  1. KC9VGVcancelled· E
    DOOLIN, NICHOLAS DILgranted 2012-01-26cancelled 2015-02-20

Successor callsigns

Callsigns held now by people who previously held NI9K.

  1. NI3Kactive· E
    HUMMEL, SCOTTPAgranted 2019-02-16
  2. NW9Rcancelled· E
    Hays, Christopher BTXgranted 2013-02-01cancelled 2013-08-30

All historical holders

Every license row we've seen with the callsign NI9K, oldest first.

  • HUMMEL, SCOTT M PA
    2003-10-22 → cancelled 2009-03-24
  • Hays, Christopher B TX
    2012-12-14 → cancelled 2013-02-01
  • DOOLIN, NICHOLAS D IN
    2024-12-18 active
← Back to NI9K License history →