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

N9AH callsign genealogy

Currently held by FOX, WALLACE N

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 N9AH's current licensee, walking backwards.

  1. NA9DScancelled· E
    Sibon, Douglas SILgranted 2012-12-21cancelled 2019-06-22
  2. KC9AYScancelled· E
    Sibon, Douglas SILgranted 2011-11-29cancelled 2012-12-21

Successor callsigns

Callsigns held now by people who previously held N9AH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9AH, oldest first.

  • FOX, WALLACE N IN
    2007-01-25 → cancelled 2019-04-20
  • Sibon, Douglas S IL
    2019-06-22 active
← Back to N9AH License history →