Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5DOO callsign genealogy
Currently held by FOREBACK, DONALD L
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 W5DOO's current licensee, walking backwards.
- Lybarger, Robert SMSgranted 2024-11-14cancelled 2025-03-25
Successor callsigns
Callsigns held now by people who previously held W5DOO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5DOO, oldest first.
- FOREBACK, DONALD L TX1988-07-05 → cancelled 2000-07-06
- Lybarger, Robert S MS2025-03-25 active