Confidence: Medium · Source: FCC ULS · As of 2026-10-27
K9CDS callsign genealogy
Currently held by Stapleton, Cyril D
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 K9CDS's current licensee, walking backwards.
- Saether, Christian DWAgranted 2017-03-01cancelled 2026-09-11
Successor callsigns
Callsigns held now by people who previously held K9CDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9CDS, oldest first.
- Stapleton, Cyril D TX2006-09-12 → cancelled 2018-09-13
- Saether, Christian D WA2026-09-11 active