Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI6SIH callsign genealogy
Currently held by APODACA, MARCO
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 KI6SIH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KI6SIH.
- APODACA, MARCOCAgranted 2018-09-07