Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SDA callsign genealogy
Currently held by Wright, James R
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 W4SDA's current licensee, walking backwards.
- Wright, James RFLgranted 2001-12-04cancelled 2002-11-26
Successor callsigns
Callsigns held now by people who previously held W4SDA.
No current licensee on record previously held this callsign.