Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6SWC callsign genealogy
Currently held by Collins, Stephen 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 W6SWC's current licensee, walking backwards.
- Collins, Stephen WFLgranted 2017-12-18cancelled 2019-03-15
Successor callsigns
Callsigns held now by people who previously held W6SWC.
- Cline, Steven WCAgranted 2016-03-25cancelled 2022-07-09
All historical holders
Every license row we've seen with the callsign W6SWC, oldest first.
- Cline, Steven W CA2010-10-30 → cancelled 2016-03-25
- Collins, Stephen W FL2019-03-15 active