Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KI4SJ callsign genealogy
Currently held by HEMPHILL, RAYMOND A
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 KI4SJ's current licensee, walking backwards.
- HEMPHILL, RAYMOND ANCgranted 2006-03-29cancelled 2013-08-06
Successor callsigns
Callsigns held now by people who previously held KI4SJ.
- HEMPHILL, RAYMOND ANCgranted 2006-03-29cancelled 2013-08-06