Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4SIY callsign genealogy
Currently held by Wright Jr, 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 KD4SIY's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD4SIY.
- Wright Jr, James SALgranted 2018-01-09