Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7RDT callsign genealogy
Currently held by DUNIVIN II, ROY R
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 W7RDT's current licensee, walking backwards.
- DUNIVIN II, ROY RORgranted 2018-12-14cancelled 2019-02-16
Successor callsigns
Callsigns held now by people who previously held W7RDT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7RDT, oldest first.
- TYLER, RICHARD OR2006-01-07 → cancelled 2018-01-09
- DUNIVIN II, ROY R OR2019-02-16 active