Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6RTC callsign genealogy
Currently held by Clarke, Robert T
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 W6RTC's current licensee, walking backwards.
- Clarke, Robert TSCgranted 2011-10-04cancelled 2011-11-08
Successor callsigns
Callsigns held now by people who previously held W6RTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6RTC, oldest first.
- COIT JR, THOMAS J OR1997-03-05 → cancelled 2009-03-06
- Clarke, Robert T SC2022-05-06 active