Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6RTZ callsign genealogy
Currently held by Ritzke, Jason A
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 K6RTZ's current licensee, walking backwards.
- Ritzke, JasonCAgranted 2019-08-09cancelled 2020-04-07
Successor callsigns
Callsigns held now by people who previously held K6RTZ.
No current licensee on record previously held this callsign.