Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI5DB callsign genealogy
Currently held by ARNOLD, WILLIAM B
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 KI5DB's current licensee, walking backwards.
- Brandon, DavidTXgranted 2022-11-26cancelled 2023-01-24
Successor callsigns
Callsigns held now by people who previously held KI5DB.
- ARNOLD, WILLIAM BALgranted 2000-11-22cancelled 2008-02-02
All historical holders
Every license row we've seen with the callsign KI5DB, oldest first.
- ARNOLD, WILLIAM B NC1995-12-13 → cancelled 2000-11-22
- Brandon, David TX2023-01-24 active