Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LSP callsign genealogy
Currently held by Hirabayashi, Eisuke
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 K1LSP's current licensee, walking backwards.
- Hirabayashi, EisukeFLgranted 2026-03-04cancelled 2026-03-24
Successor callsigns
Callsigns held now by people who previously held K1LSP.
No current licensee on record previously held this callsign.