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

N1UHO callsign genealogy

Currently held by O BRIEN, WILL L

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 N1UHO's current licensee, walking backwards.

  1. KB1BMZ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N1UHO.

No current licensee on record previously held this callsign.

← Back to N1UHO License history →