Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CSB callsign genealogy
Currently held by Stevenson, William E
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 K5CSB's current licensee, walking backwards.
- Stevenson, William ETXgranted 2004-10-05cancelled 2007-05-11
Successor callsigns
Callsigns held now by people who previously held K5CSB.
No current licensee on record previously held this callsign.