Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ5SA callsign genealogy
Currently held by SOSSAMON, WILLIAM H
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 KJ5SA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KJ5SA.
No current licensee on record previously held this callsign.