Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR8TOS callsign genealogy
Currently held by Kalinowski, Austin R
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 KR8TOS's current licensee, walking backwards.
- Kalinowski, Austin RCAgranted 2020-02-18cancelled 2020-03-10
Successor callsigns
Callsigns held now by people who previously held KR8TOS.
No current licensee on record previously held this callsign.