Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1JSL callsign genealogy
Currently held by Landin, Jose S
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 K1JSL's current licensee, walking backwards.
- Landin, Jose SCTgranted 2000-08-09cancelled 2006-10-11
Successor callsigns
Callsigns held now by people who previously held K1JSL.
No current licensee on record previously held this callsign.