Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DCS callsign genealogy
Currently held by COBB, WILLIAM K
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 W4DCS's current licensee, walking backwards.
- SPRIGGS, DOUGLAS CNCgranted 2004-06-04cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held W4DCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DCS, oldest first.
- COBB, WILLIAM K SC1988-07-19 → cancelled 2000-07-20
- SPRIGGS, DOUGLAS C NC2025-12-05 active