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

W7DZ callsign genealogy

Currently held by ROBERTS, WILLIAM K

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 W7DZ's current licensee, walking backwards.

  1. KA7TRBcancelled· E
    BAILEY, TIMOTHY RWAgranted 2022-09-20cancelled 2022-10-22
  2. KK7HYScancelled· G
    BAILEY, TIMOTHY RWAgranted 2022-08-24cancelled 2022-09-20

Successor callsigns

Callsigns held now by people who previously held W7DZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W7DZ, oldest first.

  • NYE, WILLIAM M WA
    1988-10-11 → cancelled 1994-07-18
  • ROBERTS, WILLIAM K AZ
    2010-08-03 → cancelled 2022-10-04
  • BAILEY, TIMOTHY R WA
    2022-10-22 active
← Back to W7DZ License history →