Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR0BAK callsign genealogy
Currently held by Chrobak, Walter 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 KR0BAK's current licensee, walking backwards.
- Chrobak, Walter JVAgranted 2006-06-16cancelled 2006-07-11
Successor callsigns
Callsigns held now by people who previously held KR0BAK.
No current licensee on record previously held this callsign.