Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9RSW callsign genealogy
Currently held by Radke, Richard 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 K9RSW's current licensee, walking backwards.
- RADKE, RICHARD Acancelled 1999-05-05
Successor callsigns
Callsigns held now by people who previously held K9RSW.
- Radke, Richard AWIgranted 2025-03-29