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

W7NBO callsign genealogy

Currently held by OLNEY, NATHAN B

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 W7NBO's current licensee, walking backwards.

  1. N6DCKcancelled· A
    OLNEY, NATHAN BMTgranted 2006-05-23cancelled 2007-05-25

Successor callsigns

Callsigns held now by people who previously held W7NBO.

  1. NA6TEactive· A
    OLNEY, NATHANCAgranted 2018-12-28