Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4SBH callsign genealogy
Currently held by Sapp, Jacob
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 KI4SBH'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 KI4SBH.
- Sapp, JacobFLgranted 2007-02-08cancelled 2019-02-12