Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1SAR callsign genealogy
Currently held by Ong, Xi Zhe
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 KA1SAR's current licensee, walking backwards.
- Ong, Xi ZheTNgranted 2019-07-26cancelled 2019-08-27
Successor callsigns
Callsigns held now by people who previously held KA1SAR.
- GUILLEMETTE, DENIS LWIgranted 2012-11-29cancelled 2024-12-04