uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N1BZO callsign genealogy

Currently held by Day, Chris

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 N1BZO's current licensee, walking backwards.

  1. KJ5PGVcancelled· T
    Day, ChristopherTXgranted 2026-03-31cancelled 2026-04-21

Successor callsigns

Callsigns held now by people who previously held N1BZO.

No current licensee on record previously held this callsign.