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

KQ9R callsign genealogy

Currently held by Nicholson, Joshua J

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 KQ9R's current licensee, walking backwards.

  1. AD8JNcancelled· E
    Nicholson, Joshua JINgranted 2015-05-12cancelled 2024-05-18
  2. KC8VLPcancelled· E
    Nicholson, Joshua JOHgranted 2002-12-23cancelled 2005-05-27

Successor callsigns

Callsigns held now by people who previously held KQ9R.

  1. KJ4QYRcancelled· E
    Crenshaw, Daniel JGAgranted 2022-04-29cancelled 2024-04-09
  2. WF6Pactive· E
    Wang, WenguangCAgranted 2019-11-02

All historical holders

Every license row we've seen with the callsign KQ9R, oldest first.

  • THOMPSON, FREDERICK D CA
    2007-04-24 → cancelled 2019-07-23
  • Wang, Wenguang CA
    2019-08-16 → cancelled 2019-11-02
  • Crenshaw Mr, Daniel J GA
    2021-12-03 → cancelled 2022-04-29
  • Nicholson, Joshua J IN
    2024-05-18 active
← Back to KQ9R License history →