Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9BYB callsign genealogy
Currently held by Hill, David E
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 W9BYB's current licensee, walking backwards.
- Hill, David EILgranted 2010-01-19cancelled 2018-01-23
Successor callsigns
Callsigns held now by people who previously held W9BYB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9BYB, oldest first.
- DINSMORE, RAYMOND R IL1997-01-09 → cancelled 2009-01-10
- Hill, David E IL2018-01-23 active