Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4LS callsign genealogy
Currently held by Living Science Amateur Radio Club
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 KJ4LS's current licensee, walking backwards.
- KJ4NOYcancelledLiving Science Amateur Radio ClubGAgranted 2009-07-16cancelled 2009-11-14
Successor callsigns
Callsigns held now by people who previously held KJ4LS.
No current licensee on record previously held this callsign.