uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AD8TD callsign genealogy

Currently held by DUNHAM, TIM R

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 AD8TD's current licensee, walking backwards.

  1. W8TIMactive· E
    DUNHAM, TIM RMIgranted 2022-09-07

Successor callsigns

Callsigns held now by people who previously held AD8TD.

  1. W8TIMactive· E
    DUNHAM, TIM RMIgranted 2022-09-07
  2. W8TIMcancelled· E
    DUNHAM, TIM RMIgranted 2019-08-10cancelled 2021-10-16
  3. KO8Jcancelled· E
    DUNHAM, TIM RMIgranted 2017-12-27cancelled 2018-04-03
  4. W8NHcancelled· E
    DUNHAM, TIM RMIgranted 2016-12-13cancelled 2017-02-25
  5. KB8TIMcancelled· E
    DUNHAM, TIM RMIgranted 2015-06-30cancelled 2015-10-20

All historical holders

Every license row we've seen with the callsign AD8TD, oldest first.

  • DUNHAM, TIM R MI
    2015-03-07 → cancelled 2015-06-30
  • DUNHAM, TIM R MI
    2015-10-20 → cancelled 2016-12-13
  • DUNHAM, TIM R MI
    2017-02-25 → cancelled 2017-12-27
  • DUNHAM, TIM R MI
    2018-04-03 → cancelled 2019-08-10
  • DUNHAM, TIM R MI
    2021-10-16 → cancelled 2022-09-07