Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CAS callsign genealogy
Currently held by SHULIN, CHARLES A
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 K4CAS's current licensee, walking backwards.
- Scholl, Clifford AVAgranted 2001-03-28cancelled 2011-04-12
Successor callsigns
Callsigns held now by people who previously held K4CAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CAS, oldest first.
- SHULIN, CHARLES A FL1998-01-14 → cancelled 2010-01-15
- Scholl, Clifford A VA2021-01-20 active