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

W4SST callsign genealogy

Currently held by MORRISON, WILLIAM T

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 W4SST's current licensee, walking backwards.

  1. W4ZMMcancelled· E
    MORRISON, WILLIAM TNCgranted 2010-12-23cancelled 2020-05-12
  2. KN4Bactive· E
    TURBEVILLE JR, ROBERT LSCgranted 2023-01-13
  3. K4RLTactive· E
    Trevillian Jr, Richard LFLgranted 2024-12-31
  4. KJ4TUJcancelled· E
    Trevillian Jr, Richard LTNgranted 2010-04-05cancelled 2015-01-10

Successor callsigns

Callsigns held now by people who previously held W4SST.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4SST, oldest first.

  • CAMPBELL SR, FRED B TN
    2006-11-29 → cancelled 2019-02-12
  • MORRISON, WILLIAM T NC
    2020-05-12 active
← Back to W4SST License history →