Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9UJI callsign genealogy
Currently held by Salkowski Jr, Joseph 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 K9UJI's current licensee, walking backwards.
- Salkowski Jr, Joseph JILgranted 2006-06-27cancelled 2012-04-17
Successor callsigns
Callsigns held now by people who previously held K9UJI.
- Salkowski Jr, Joseph JIAgranted 2025-05-28