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

NF0K callsign genealogy

Currently held by KARNAUSKAS, FRANK 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 NF0K's current licensee, walking backwards.

  1. AC0WUcancelled· E
    Newman, Charles ASDgranted 2011-06-16cancelled 2011-07-19
  2. KD0OXPcancelled· E
    Newman, Charles ASDgranted 2011-06-16cancelled 2011-06-29

Successor callsigns

Callsigns held now by people who previously held NF0K.

  1. N1UWactive· E
    KARNAUSKAS, FRANK WAZgranted 2021-01-27

All historical holders

Every license row we've seen with the callsign NF0K, oldest first.

  • KARNAUSKAS, FRANK W MN
    1997-08-13 → cancelled 2001-04-03
  • Newman, Charles A AZ
    2021-09-08 active
← Back to NF0K License history →