Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4JRI callsign genealogy
Currently held by Zuckerman, Andrew H
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 KJ4JRI's current licensee, walking backwards.
- Zuckerman, Andrew HFLgranted 2008-04-18cancelled 2009-02-20
Successor callsigns
Callsigns held now by people who previously held KJ4JRI.
- Zuckerman, Andrew HCTgranted 2018-07-13