Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9CWP callsign genealogy
Currently held by DAY, RICHARD R
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 K9CWP's current licensee, walking backwards.
- Day, Robert TILgranted 2015-03-31cancelled 2015-04-21
Successor callsigns
Callsigns held now by people who previously held K9CWP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9CWP, oldest first.
- DAY, RICHARD R IL1996-10-17 → cancelled 2008-10-18
- Day, Robert T IL2026-09-02 active