Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI7OSF callsign genealogy
Currently held by IHC ARC
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 KI7OSF'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 KI7OSF.
- W6IHCactiveIHC ARCUTgranted 2017-07-25