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

WT0K callsign genealogy

Currently held by Murphree Jr, Stephen 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 WT0K's current licensee, walking backwards.

  1. KV4NPcancelled· E
    Murphree Jr, Stephen PALgranted 2013-05-16cancelled 2013-06-04

Successor callsigns

Callsigns held now by people who previously held WT0K.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WT0K, oldest first.

  • Winterscheid, Volker TX
    2001-04-30 → cancelled 2013-05-01
  • Murphree Jr, Stephen P AL
    2023-04-05 active