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

AC8DR callsign genealogy

Currently held by Roberson, Donald H

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 AC8DR's current licensee, walking backwards.

  1. K8DHRcancelled· E
    Roberson, Donald HOHgranted 2022-05-24cancelled 2024-06-15

Successor callsigns

Callsigns held now by people who previously held AC8DR.

  1. K8DHRcancelled· E
    Roberson, Donald HOHgranted 2022-05-24cancelled 2024-06-15
  2. WS8Uactive· E
    Undy, Matthew DMIgranted 2019-04-15

All historical holders

Every license row we've seen with the callsign AC8DR, oldest first.

  • Undy, Matthew D MI
    2009-04-14 → cancelled 2009-05-05
  • Roberson, Donald H OH
    2021-07-30 → cancelled 2022-05-24
  • Roberson, Donald H OH
    2024-06-15 active
← Back to AC8DR License history →