Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4RDD callsign genealogy
Currently held by Sturgeon, Zachary W
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 KK4RDD's current licensee, walking backwards.
- DYER, RENEE DFLgranted 2020-01-28cancelled 2020-06-16
Successor callsigns
Callsigns held now by people who previously held KK4RDD.
- Sturgeon, Zachary WCAgranted 2024-07-16
All historical holders
Every license row we've seen with the callsign KK4RDD, oldest first.
- Sturgeon, Zachary W VA2013-05-14 → cancelled 2014-09-26
- DYER, RENEE D FL2020-06-16 active