Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KI4ZOB callsign genealogy
Currently held by Riley, John B
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 KI4ZOB'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 KI4ZOB.
- Riley, John BINgranted 2007-11-02cancelled 2009-04-17