Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD8RC callsign genealogy
Currently held by CROSTHWAITE, ROBERT 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 WD8RC's current licensee, walking backwards.
- Castaldi, Rodney RMIgranted 2022-11-04
Successor callsigns
Callsigns held now by people who previously held WD8RC.
- Castaldi, Rodney RMIgranted 2022-11-04
All historical holders
Every license row we've seen with the callsign WD8RC, oldest first.
- CROSTHWAITE, ROBERT W MI2008-09-20 → cancelled 2020-12-10
- Castaldi, Rodney R MI2021-10-15 → cancelled 2022-11-04