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

N7TZ callsign genealogy

Currently held by ANDERSON, HAROLD 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 N7TZ's current licensee, walking backwards.

  1. KI7ZOCcancelled
    Roseburg Amateur Radio ClubORgranted 2018-07-05cancelled 2019-04-16

Successor callsigns

Callsigns held now by people who previously held N7TZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N7TZ, oldest first.

  • ANDERSON, HAROLD L OR
    2007-01-05 → cancelled 2019-03-28
  • Roseburg Amateur Radio Club OR
    2019-04-16 active