Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW6MHZ callsign genealogy
Currently held by Emergency Communication Systems
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 KW6MHZ's current licensee, walking backwards.
- UGUR, ARDACAgranted 2021-09-09cancelled 2021-10-05
Successor callsigns
Callsigns held now by people who previously held KW6MHZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KW6MHZ, oldest first.
- Emergency Communication Systems CA2008-11-25 → cancelled 2020-11-26
- UGUR, ARDA CA2021-10-05 active