Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KV4LSL callsign genealogy
Currently held by ONGCHANGCO, KRIS F
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 KV4LSL's current licensee, walking backwards.
- ONGCHANGO, KRIS FVAgranted 2013-02-27cancelled 2013-05-14
Successor callsigns
Callsigns held now by people who previously held KV4LSL.
No current licensee on record previously held this callsign.