Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0SVK callsign genealogy
Currently held by Wall, John 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 KC0SVK's current licensee, walking backwards.
- Wall, John JILgranted 2021-02-19cancelled 2021-04-06
Successor callsigns
Callsigns held now by people who previously held KC0SVK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0SVK, oldest first.
- Wall, John J MO2004-07-26 → cancelled 2016-07-27
- Wall, John J IL2021-04-06 active