Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0CJS callsign genealogy
Currently held by Seyller, Cole 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 W0CJS's current licensee, walking backwards.
- Seyller, Cole JCOgranted 2018-11-13cancelled 2018-12-01
Successor callsigns
Callsigns held now by people who previously held W0CJS.
No current licensee on record previously held this callsign.