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

N9SPG callsign genealogy

Currently held by DUTCHER, PETER 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 N9SPG's current licensee, walking backwards.

  1. KC9TEZcancelled· G
    DUNCAN, JOHN WILgranted 2010-10-18cancelled 2014-01-04

Successor callsigns

Callsigns held now by people who previously held N9SPG.

  1. W9PADactive· T
    DUTCHER, PETE AINgranted 2019-08-10

All historical holders

Every license row we've seen with the callsign N9SPG, oldest first.

  • DUTCHER, PETER A IN
    2003-03-06 → cancelled 2009-10-06
  • DUNCAN, JOHN W IL
    2023-12-16 active