Confidence: Medium · Source: FCC ULS · As of 2026-10-24
W8RSD callsign genealogy
Currently held by McDonald II, Douglas 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 W8RSD's current licensee, walking backwards.
- McDonald II, Douglas RMIgranted 2026-09-19cancelled 2026-10-09
Successor callsigns
Callsigns held now by people who previously held W8RSD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8RSD, oldest first.
- MC DONALD, ROBERT A MI1997-11-24 → cancelled 2009-11-25
- McDonald II, Douglas R MI2026-10-09 active