Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0CR callsign genealogy
Currently held by Proctor, 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 W0CR's current licensee, walking backwards.
- Proctor, Robert WCOgranted 2012-10-30cancelled 2017-01-18
Successor callsigns
Callsigns held now by people who previously held W0CR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0CR, oldest first.
- WINDUS, WILLIAM A IA2006-12-16 → cancelled 2014-12-29
- Proctor, Robert W CO2017-01-18 active