Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9CMS callsign genealogy
Currently held by Spruill Jr, Christopher M
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 K9CMS's current licensee, walking backwards.
- Spruill, MarkVAgranted 2012-04-27cancelled 2013-04-23
Successor callsigns
Callsigns held now by people who previously held K9CMS.
No current licensee on record previously held this callsign.