Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3CMS callsign genealogy
Currently held by Shifflett, 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 K3CMS's current licensee, walking backwards.
- Shifflett, Christopher MMDgranted 2017-01-04cancelled 2017-01-24
Successor callsigns
Callsigns held now by people who previously held K3CMS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3CMS, oldest first.
- Shatley, Christopher M PA2004-04-02 → cancelled 2016-04-05
- Shifflett, Christopher M MD2017-01-24 active