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

N4JPH callsign genealogy

Currently held by Hensen, Jonathan P

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 N4JPH's current licensee, walking backwards.

  1. N1GSPcancelled· T
    Hensen, Jonathan PVAgranted 2017-04-25cancelled 2025-03-18
  2. KN4CJHcancelled· T
    Hensen, Jonathan PVAgranted 2017-04-05cancelled 2017-04-25

Successor callsigns

Callsigns held now by people who previously held N4JPH.

  1. W4NOPexpired· G
    MARLER, FRANK CGAgranted 2006-03-28cancelled 2018-06-19
  2. K4GYcancelled· E
    Harper II, William WVAgranted 2003-08-19cancelled 2005-02-14

All historical holders

Every license row we've seen with the callsign N4JPH, oldest first.

  • Harper II, William W VA
    2000-07-11 → cancelled 2003-08-19
  • Hensen, Jonathan P VA
    2025-03-18 active
← Back to N4JPH License history →