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

NF9K callsign genealogy

Currently held by ATKINSON, WILLIAM D

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 NF9K's current licensee, walking backwards.

  1. K9WDAcancelled· E
    ATKINSON, WILLIAM DINgranted 2012-07-13cancelled 2012-11-06
  2. KB9UZDcancelled· G
    ATKINSON, WILLIAM DINgranted 2009-06-26cancelled 2012-07-13

Successor callsigns

Callsigns held now by people who previously held NF9K.

  1. W9JFKactive· E
    KLUENDER, JOEL FMIgranted 2017-04-01
  2. N0KRcancelled· E
    KLUENDER, JOEL FMNgranted 2001-05-01cancelled 2006-06-30

All historical holders

Every license row we've seen with the callsign NF9K, oldest first.

  • KLUENDER, JOEL F MN
    1997-11-05 → cancelled 2001-05-01
  • KLUENDER, JOEL F WI
    2006-06-30 → cancelled 2007-06-22
  • ATKINSON, WILLIAM D IN
    2022-11-29 active
← Back to NF9K License history →