Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI0SA callsign genealogy
Currently held by PATTILLO, JAMES 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 KI0SA's current licensee, walking backwards.
- PATTILLO, JAMES CGAgranted 1994-01-04cancelled 2002-01-04
- WB4TLVno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KI0SA.
- PATTILLO, JAMES CGAgranted 2004-01-21cancelled 2012-10-09