Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO7SS callsign genealogy
Currently held by STRAW, 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 KO7SS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KO7SS.
No current licensee on record previously held this callsign.