Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3CMS callsign genealogy
Currently held by REIN, STANLEY J
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 W3CMS's current licensee, walking backwards.
- Sylvester, ChristopherKYgranted 2026-02-12cancelled 2026-03-31
Successor callsigns
Callsigns held now by people who previously held W3CMS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3CMS, oldest first.
- REIN, STANLEY J FL2011-12-21 → cancelled 2024-03-19
- Sylvester, Christopher KY2026-03-31 active