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

WB4TW callsign genealogy

Currently held by TOLLISON, RUSSELL 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 WB4TW's current licensee, walking backwards.

  1. WB4PEVcancelled· E
    TOLLISON, RUSSELL WTXgranted 2014-03-01cancelled 2017-06-20
  2. N4OTZcancelled· G
    TOLLISON, RUSSELL WTXgranted 2006-09-20cancelled 2014-03-01

Successor callsigns

Callsigns held now by people who previously held WB4TW.

No current licensee on record previously held this callsign.

← Back to WB4TW License history →