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

K8ABD callsign genealogy

Currently held by RIEDEL, LARRY 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 K8ABD's current licensee, walking backwards.

  1. KE9ABCcancelled· T
    Wvennemann, Jeffery JOHgranted 2016-06-01cancelled 2016-07-06
  2. KE8DZRcancelled· T
    Wvennemann, Jeffery JOHgranted 2016-04-28cancelled 2016-06-01

Successor callsigns

Callsigns held now by people who previously held K8ABD.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K8ABD, oldest first.

  • RIEDEL, LARRY L OH
    1994-04-12 → cancelled 2006-04-14
  • Wuennemann, Jeffery J OH
    2026-05-27 active