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

W4KPZ callsign genealogy

Currently held by Manos, John S

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 W4KPZ's current licensee, walking backwards.

  1. N2KPZcancelled· E
    Manos, John SFLgranted 2009-07-03cancelled 2010-04-24
  2. K4JSMactive· G
    MAYERES, JEREMY SFLgranted 2021-07-15
  3. KJ4NWAcancelled· T
    Mayeres, Jeremy SFLgranted 2009-07-30cancelled 2011-07-23

Successor callsigns

Callsigns held now by people who previously held W4KPZ.

  1. N3IGcancelled· E
    Manos, John SINgranted 2021-04-03cancelled 2021-07-20
← Back to W4KPZ License history →