Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CMS callsign genealogy
Currently held by Stanulescu, Cristian 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 K5CMS's current licensee, walking backwards.
- Stanulescu, Cristian MFLgranted 2024-10-02cancelled 2025-03-08
Successor callsigns
Callsigns held now by people who previously held K5CMS.
- SADLER, CHARLES MCAgranted 2009-02-11cancelled 2017-09-04
All historical holders
Every license row we've seen with the callsign K5CMS, oldest first.
- SADLER, CYNTHIA M TX2012-01-31 → cancelled 2023-05-12
- Stanulescu, Cristian M FL2025-03-08 active
- SADLER, CHARLES M— → cancelled 1999-04-21