Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI0SG callsign genealogy
Currently held by Mc Kenna, Malcolm C
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 KI0SG's current licensee, walking backwards.
- Mc Kenna, Malcolm CCOgranted 1992-06-23cancelled 2002-05-22
Successor callsigns
Callsigns held now by people who previously held KI0SG.
No current licensee on record previously held this callsign.