Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9RSO callsign genealogy
Currently held by RICHARDS, LEO 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 K9RSO's current licensee, walking backwards.
- Richards, Leo CWIgranted 2006-01-19cancelled 2006-02-10
Successor callsigns
Callsigns held now by people who previously held K9RSO.
No current licensee on record previously held this callsign.