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

WD8BTD callsign genealogy

Currently held by MULLINS, GARY L

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 WD8BTD's current licensee, walking backwards.

  1. AC8QPcancelled· E
    Daiker, Brian TOHgranted 2014-04-17cancelled 2020-06-30
  2. KD8YFFcancelled· E
    Daiker, Brian TOHgranted 2014-04-17cancelled 2014-05-06

Successor callsigns

Callsigns held now by people who previously held WD8BTD.

  1. K8UWactive· E
    MULLINS, GARY LOHgranted 2018-05-01

All historical holders

Every license row we've seen with the callsign WD8BTD, oldest first.

  • Daiker, Brian T OH
    2020-06-30 active
  • MULLINS, GARY L
    → cancelled 1998-04-22