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

AD5AR callsign genealogy

Currently held by WILLARD, WILLIAM D

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 AD5AR's current licensee, walking backwards.

  1. KI5QAFcancelled· E
    Russell, James ATXgranted 2021-05-24cancelled 2021-06-25

Successor callsigns

Callsigns held now by people who previously held AD5AR.

  1. WY4Bactive· E
    BREWER, WILLIAM ETXgranted 2021-01-26
  2. KO5Rcancelled· E
    WILLARD, WILLIAM DARgranted 2010-12-21cancelled 2017-06-13

All historical holders

Every license row we've seen with the callsign AD5AR, oldest first.

  • BREWER, WILLIAM E TX
    2000-09-28 → cancelled 2001-01-05
  • WILLARD, WILLIAM D AR
    2010-04-09 → cancelled 2010-12-21
  • Russell, James A TX
    2021-06-25 active