Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3JIS callsign genealogy
Currently held by Schwartz, Joseph I
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 K3JIS's current licensee, walking backwards.
- Schwartz, Joseph IMDgranted 2000-08-01cancelled 2002-12-27
Successor callsigns
Callsigns held now by people who previously held K3JIS.
No current licensee on record previously held this callsign.