Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6EMS callsign genealogy
Currently held by SISON JR, EMILIO M
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 W6EMS's current licensee, walking backwards.
- SISON JR, EMILIO MCAgranted 2022-02-05cancelled 2022-04-12
Successor callsigns
Callsigns held now by people who previously held W6EMS.
- SISON JR, EMILIO MCAgranted 2022-02-05cancelled 2022-04-12
All historical holders
Every license row we've seen with the callsign W6EMS, oldest first.
- SISON JR, EMILIO M CA2018-10-26 → cancelled 2022-02-05
- SISON JR, EMILIO M CA2022-04-12 active