Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9WWW callsign genealogy
Currently held by Thomas, Robert 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 KD9WWW's current licensee, walking backwards.
- THOMAS, ROBERT EINgranted 2019-03-29cancelled 2019-09-07
Successor callsigns
Callsigns held now by people who previously held KD9WWW.
No current licensee on record previously held this callsign.