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

NQ9U callsign genealogy

Currently held by KERKAN, BRIAN W

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 NQ9U's current licensee, walking backwards.

  1. AC9FPcancelled· E
    EIFERT, THOMAS AWIgranted 2013-07-20cancelled 2021-03-16
  2. NI7Vactive· E
    Gasik, Ryan JORgranted 2026-01-15
  3. KG7BBOcancelled· E
    Gasik, Ryan JORgranted 2013-02-07cancelled 2015-08-08

Successor callsigns

Callsigns held now by people who previously held NQ9U.

  1. W8FPactive· E
    KERKAN, BRIAN WFLgranted 2026-01-13
  2. KO9Dactive· E
    MARTIN, JAMES RTNgranted 2019-02-20
  3. KC9WHOactive· E
    ADLAF, WILLIAM JILgranted 2015-12-17

All historical holders

Every license row we've seen with the callsign NQ9U, oldest first.

  • ADLAF, WILLIAM J IL
    1997-01-13 → cancelled 2006-03-11
  • KERKAN, BRIAN W MI
    2014-06-10 → cancelled 2015-11-17
  • MARTIN, JAMES R IN
    2018-03-30 → cancelled 2019-02-20
  • EIFERT, THOMAS A OR
    2021-03-16 active
← Back to NQ9U License history →