Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JSC callsign genealogy
Currently held by SCHELLENBERG, HANS K
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 W4JSC's current licensee, walking backwards.
- Cope, Joseph STNgranted 2017-03-29cancelled 2017-08-11
Successor callsigns
Callsigns held now by people who previously held W4JSC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4JSC, oldest first.
- SCHELLENBERG, HANS K FL2004-10-08 → cancelled 2016-11-30
- Cope, Joseph S TN2017-08-11 active