Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI8B callsign genealogy
Currently held by CSUBAK, ROBERT A
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 WI8B's current licensee, walking backwards.
- Kearney Jr, Michael JPAgranted 2013-01-04cancelled 2019-12-17
Successor callsigns
Callsigns held now by people who previously held WI8B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WI8B, oldest first.
- CSUBAK, ROBERT A OH1988-06-21 → cancelled 2000-06-22
- NORTH SUMTER CONTEST GROUP FL2007-10-10 → cancelled 2019-10-11
- Kearney Jr, Michael J PA2019-12-17 active