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

KK9BUL callsign genealogy

Currently held by NGUYEN, TRUNG Q

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 KK9BUL's current licensee, walking backwards.

  1. W6TNactive· E
    NGUYEN, TRUNG QCAgranted 2021-04-20
  2. NN6NTcancelled· E
    NGUYEN, TRUNG QCAgranted 2021-03-02cancelled 2021-04-20

Successor callsigns

Callsigns held now by people who previously held KK9BUL.

  1. W6TNcancelled· E
    NGUYEN, TRUNG QAKgranted 2011-10-22cancelled 2013-11-26
← Back to KK9BUL License history →