Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI7ZIN callsign genealogy
Currently held by Koch, Kenneth A
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 KI7ZIN'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 KI7ZIN.
- Koch, Kenneth AWAgranted 2018-07-20cancelled 2018-09-14