Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7DDO callsign genealogy
Currently held by Upton, Danny G
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 W7DDO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7DDO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DDO, oldest first.
- TITUS, OVERTON N WA1988-06-14 → cancelled 2000-06-15
- Upton, Danny G OR2018-06-07 active