Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KI4FEX callsign genealogy
Currently held by Leibowitz, Samantha 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 KI4FEX'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 KI4FEX.
- Leibowitz, Samantha AFLgranted 2014-03-12cancelled 2026-05-15