Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RDD callsign genealogy
Currently held by MCKOWN, RHONDA S
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 K7RDD's current licensee, walking backwards.
- Dias, RyanAZgranted 2024-12-27cancelled 2025-01-17
Successor callsigns
Callsigns held now by people who previously held K7RDD.
- MCKOWN, RHONDA SAZgranted 2022-08-05cancelled 2025-09-27
All historical holders
Every license row we've seen with the callsign K7RDD, oldest first.
- MCKOWN, RHONDA S AZ2020-05-05 → cancelled 2022-08-05
- Dias, Ryan AZ2025-01-17 active