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

N4PPP callsign genealogy

Currently held by Oppenheimer, Peter D

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 N4PPP's current licensee, walking backwards.

  1. W2JVBcancelled· G
    Oppenheimer, Peter DFLgranted 2018-04-20cancelled 2020-12-29
  2. W2PDOcancelled· G
    Oppenheimer, Peter DNYgranted 2003-10-28cancelled 2008-02-23
  3. KC2KXGcancelled· T
    Oppenheimer, Peter DNYgranted 2003-02-27cancelled 2003-10-28

Successor callsigns

Callsigns held now by people who previously held N4PPP.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4PPP, oldest first.

  • Grady, C Wesley SC
    2008-10-21 → cancelled 2020-10-22
  • Oppenheimer, Peter D FL
    2020-12-29 active
← Back to N4PPP License history →