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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K9DQ callsign genealogy

Currently held by WHITHAM, DAVID C

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 K9DQ's current licensee, walking backwards.

  1. W8AMHcancelled· E
    Habbal, Ahmad MMIgranted 2014-03-19cancelled 2022-03-05
  2. KC8ZHJcancelled· T
    Habbal, Ahmad Al MMIgranted 2004-03-18cancelled 2004-04-13

Successor callsigns

Callsigns held now by people who previously held K9DQ.

  1. K3BQactive· E
    WHITHAM, DAVID CPAgranted 2020-02-11

All historical holders

Every license row we've seen with the callsign K9DQ, oldest first.

  • WHITHAM, DAVID C WI
    2010-04-23 → cancelled 2020-02-11
  • Habbal, Ahmad M MI
    2022-03-05 active
← Back to K9DQ License history →