Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4CJS callsign genealogy
Currently held by Shemanski, Clem 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 N4CJS's current licensee, walking backwards.
- Shemanski, Clem JNCgranted 2005-12-23cancelled 2006-03-14
Successor callsigns
Callsigns held now by people who previously held N4CJS.
No current licensee on record previously held this callsign.