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

W4WTP callsign genealogy

Currently held by CARTER, FREDERICK W

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 W4WTP's current licensee, walking backwards.

  1. N4WTPcancelled· E
    PARKER III, WILLIAM TNCgranted 2017-08-04cancelled 2018-02-10
  2. N4MYBcancelled· E
    PARKER III, WILLIAM TNCgranted 2017-03-02cancelled 2017-08-04

Successor callsigns

Callsigns held now by people who previously held W4WTP.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4WTP, oldest first.

  • CARTER, FREDERICK W TN
    1997-02-14 → cancelled 2009-02-18
  • PARKER III, WILLIAM T NC
    2018-02-10 active
← Back to W4WTP License history →