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

KM4CPP callsign genealogy

Currently held by Pitorri, 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 KM4CPP's current licensee, walking backwards.

  1. KM4ZZJcancelled· T
    Pitorri, Peter AVAgranted 2016-12-30cancelled 2017-02-04

Successor callsigns

Callsigns held now by people who previously held KM4CPP.

  1. K4PSYactive· G
    Pitorri, Peter AVAgranted 2017-12-27
  2. KM4CSOexpired· T
    Engle, John WVAgranted 2014-06-24cancelled 2026-06-25

All historical holders

Every license row we've seen with the callsign KM4CPP, oldest first.

  • Engle, John W VA
    2014-06-24 → cancelled 2014-06-28
  • Pitorri, Peter A VA
    2017-02-04 → cancelled 2017-12-27
← Back to KM4CPP License history →