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

KC4YPH callsign genealogy

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 KC4YPH's current licensee, walking backwards.

  1. N4LKGcancelled· G
    GREENARCH, LARRY KTNgranted 2021-06-22cancelled 2021-10-09
  2. KZ4KZQcancelled· G
    GREENARCH, LARRY KNCgranted 2020-11-28cancelled 2021-06-22

Successor callsigns

Callsigns held now by people who previously held KC4YPH.

  1. W4CILactive· G
    GREENARCH, LARRY KTNgranted 2023-06-22
  2. KZ4KZQcancelled· G
    GREENARCH, LARRY KNCgranted 2020-11-28cancelled 2021-06-22
  3. N4YPHcancelled· G
    GREENARCH, LARRY KNCgranted 2007-09-05cancelled 2008-07-19
  4. W4WCUcancelled· T
    GREENARCH, LARRY KNCgranted 2003-10-11cancelled 2006-09-29

All historical holders

Every license row we've seen with the callsign KC4YPH, oldest first.

  • GREENARCH, LARRY K NC
    2000-02-18 → cancelled 2003-10-11
  • GREENARCH, LARRY K NC
    2006-09-29 → cancelled 2007-09-05
  • GREENARCH, LARRY K NC
    2018-12-14 → cancelled 2020-11-28
  • GREENARCH, LARRY K TN
    2021-10-09 → cancelled 2023-06-22
  • —
    — → cancelled 1998-05-11
← Back to KC4YPH License history →