uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

NW0W callsign genealogy

Currently held by PATTERSON JR, JAMES P

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 NW0W's current licensee, walking backwards.

  1. AD0OBcancelled· E
    Roop Jr, Gerald CCOgranted 2015-09-11cancelled 2020-03-07
  2. KC0VMJcancelled· E
    Roop Jr, Gerald CCOgranted 2005-11-16cancelled 2015-03-23

Successor callsigns

Callsigns held now by people who previously held NW0W.

  1. KO1DXcancelled· E
    HAVENS, TIMOTHY RMEgranted 2018-02-16cancelled 2019-08-27
  2. N4CEactive· E
    PATTERSON JR, JAMES PNCgranted 2016-10-19

All historical holders

Every license row we've seen with the callsign NW0W, oldest first.

  • PATTERSON JR, JAMES P NC
    2006-10-03 → cancelled 2006-12-23
  • HAVENS, TIMOTHY R ME
    2009-06-13 → cancelled 2018-02-16
  • Roop Jr, Gerald C CO
    2020-03-07 active
← Back to NW0W License history →