Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6RZR callsign genealogy
Currently held by Dietrich, Cole C
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 K6RZR's current licensee, walking backwards.
- Dietrich, Cole CCAgranted 2017-03-20cancelled 2017-04-08
Successor callsigns
Callsigns held now by people who previously held K6RZR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6RZR, oldest first.
- Hanson, Winnifred L CA2004-10-19 → cancelled 2016-10-20
- Dietrich, Cole C NV2017-04-08 active