Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KC2CJS callsign genealogy
Currently held by ADLER, SAMUEL
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 KC2CJS's current licensee, walking backwards.
- Soos, Charles JPAgranted 2017-01-04cancelled 2024-11-15
Successor callsigns
Callsigns held now by people who previously held KC2CJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC2CJS, oldest first.
- ADLER, SAMUEL NJ2007-07-14 → cancelled 2019-09-17
- Soos, Charles J PA2024-11-15 active