Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8KDI callsign genealogy
Currently held by Rupert, Robert D
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 W8KDI's current licensee, walking backwards.
- Rupert, Robert DTXgranted 2021-01-19cancelled 2021-02-09
Successor callsigns
Callsigns held now by people who previously held W8KDI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8KDI, oldest first.
- RUPERT JR, JAMES T MI1994-02-01 → cancelled 2006-02-02
- Rupert, Robert D TX2021-02-09 active