Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR0B callsign genealogy
Currently held by WABIK, RANDALL S
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 KR0B's current licensee, walking backwards.
- WABIK, RANDALL SMNgranted 2017-03-29cancelled 2018-07-06
Successor callsigns
Callsigns held now by people who previously held KR0B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR0B, oldest first.
- COSSETTE, DIANE M MN2006-05-11 → cancelled 2018-06-19
- WABIK, RANDALL S MN2018-07-06 active