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

KA9BUK callsign genealogy

Currently held by JACKSON, DAVID M

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 KA9BUK's current licensee, walking backwards.

  1. W9RDPcancelled· G
    JACKSON, DAVID MINgranted 2017-03-17cancelled 2022-07-23
  2. KA9HLEcancelled· G
    JACKSON, DAVID MILgranted 2010-07-24cancelled 2017-03-17
  3. WB9LAFcancelled· T
    JACKSON, DAVID MINgranted 2009-08-18cancelled 2010-07-24
  4. KC9QGGcancelled· T
    JACKSON, DAVID MINgranted 2009-07-28cancelled 2009-08-18

Successor callsigns

Callsigns held now by people who previously held KA9BUK.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KA9BUK, oldest first.

  • MARKS, RICHARD W IL
    2004-04-23 → cancelled 2016-07-16
  • JACKSON, DAVID M IN
    2022-07-23 active