Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0BIS callsign genealogy
Currently held by KEITH, DAVID
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 W0BIS's current licensee, walking backwards.
- KC0KVTcancelledNOAA Operational Amateur AssociationNDgranted 2001-06-05cancelled 2001-07-17
Successor callsigns
Callsigns held now by people who previously held W0BIS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0BIS, oldest first.
- KEITH, DAVID KS1988-08-23 → cancelled 2000-08-24
- NOAA Operational Amateur Association ND2021-07-29 active