Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB0US callsign genealogy
Currently held by KUSMULYANA, JANI 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 WB0US's current licensee, walking backwards.
- KUSMULYANA, JANI KFLgranted 2008-10-15cancelled 2008-11-04
Successor callsigns
Callsigns held now by people who previously held WB0US.
- KUSMULYANA, JANI KFLgranted 2008-10-15cancelled 2008-11-04
All historical holders
Every license row we've seen with the callsign WB0US, oldest first.
- KUSMULYANA, JANI K FL2018-08-22 active
- KUSMULYANA, JANI K— → cancelled 1998-10-05