Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI5ZKK callsign genealogy
Currently held by HUMBLE, JACOB T
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 KI5ZKK'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 KI5ZKK.
- Humble, JacobCAgranted 2023-10-17