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

WT7R callsign genealogy

Currently held by FAIRBANKS, DONALD D

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 WT7R's current licensee, walking backwards.

  1. WA7TAPcancelled· E
    Zumsteg, Joshua JWAgranted 2021-04-13cancelled 2021-08-31
  2. KJ7WGYcancelled· T
    Zumsteg, Joshua JWAgranted 2021-03-26cancelled 2021-04-13

Successor callsigns

Callsigns held now by people who previously held WT7R.

  1. N7HCactive· E
    Zumsteg, Joshua JWAgranted 2024-11-23

All historical holders

Every license row we've seen with the callsign WT7R, oldest first.

  • FAIRBANKS, DONALD D WA
    2009-08-11 → cancelled 2021-08-12
  • Zumsteg, Joshua J WA
    2021-08-31 → cancelled 2024-11-23
← Back to WT7R License history →