Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0RBK callsign genealogy
Currently held by Grundy Area Amateur Radio Club
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 W0RBK's current licensee, walking backwards.
- KD0RRTcancelledGrundy Area Amateur Radio ClubIAgranted 2012-04-24cancelled 2012-05-15
Successor callsigns
Callsigns held now by people who previously held W0RBK.
No current licensee on record previously held this callsign.