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

K4OBD callsign genealogy

Currently held by WYZGA, MICHAEL A

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 K4OBD's current licensee, walking backwards.

  1. AG4JGcancelled· E
    Donesky, Orville BTNgranted 2001-05-17cancelled 2001-07-03
  2. KG4NODcancelled· E
    Donesky, Orville BTNgranted 2001-05-17cancelled 2001-06-04

Successor callsigns

Callsigns held now by people who previously held K4OBD.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4OBD, oldest first.

  • WYZGA, MICHAEL A GA
    1988-01-19 → cancelled 2000-01-20
  • Donesky, Orville B TN
    2021-07-08 active
← Back to K4OBD License history →