Confidence: Medium · Source: FCC ULS · As of 2026-09-10
K4CSS callsign genealogy
Currently held by MANGUM, JAMES S
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 K4CSS's current licensee, walking backwards.
- Mangum, James SALgranted 2005-08-05cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held K4CSS.
No current licensee on record previously held this callsign.