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

N9OJ callsign genealogy

Currently held by STILTNER, JOHN V

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 N9OJ's current licensee, walking backwards.

  1. K4TAPactive· T
    Pleatman, Thomas AGAgranted 2026-06-17
  2. KM4VQRcancelled· T
    Pleatman, Thomas AGAgranted 2016-07-28cancelled 2016-08-20

Successor callsigns

Callsigns held now by people who previously held N9OJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9OJ, oldest first.

  • STILTNER, JOHN V IN
    2000-11-10 → cancelled 2003-05-16
  • Profant, Thomas A NC
    2021-01-13 active