Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB4JCS callsign genealogy
Currently held by STRIFE, ILA B M
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 KB4JCS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB4JCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4JCS, oldest first.
- STRIFE, ILA B M FL1994-04-05 → cancelled 2006-04-06
- Friend, Jason A AL2020-01-07 active