Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4DSC callsign genealogy
Currently held by Oxford, William C
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 KC4DSC's current licensee, walking backwards.
- Cruze, Douglas STNgranted 2005-12-14cancelled 2014-05-13
Successor callsigns
Callsigns held now by people who previously held KC4DSC.
- Oxford, William CTNgranted 2003-11-22cancelled 2004-05-28
All historical holders
Every license row we've seen with the callsign KC4DSC, oldest first.
- Oxford, William C TN1998-01-13 → cancelled 2003-11-22
- Cruze, Douglas S TN2025-06-06 active