Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD0O callsign genealogy
Currently held by Newland, Dennis W
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 WD0O's current licensee, walking backwards.
- Newland, Dennis WMNgranted 2023-06-29cancelled 2025-05-13
Successor callsigns
Callsigns held now by people who previously held WD0O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD0O, oldest first.
- CONKLIN, JOHN D KS2013-01-22 → cancelled 2025-04-22
- Newland, Dennis W MN2025-05-13 active