BEGIN:VCALENDAR
PRODID;X-RICAL-TZSOURCE=TZINFO:-//com.denhaven2/NONSGML ri_cal gem//EN
CALSCALE:GREGORIAN
VERSION:2.0
BEGIN:VEVENT
CONTACT:
DTEND;VALUE=DATE:20170925
DTSTART;VALUE=DATE:20170924
UID:1989816
DESCRIPTION:
URL:
SUMMARY:ETR R-10
LOCATION:
BEGIN:VALARM
TRIGGER:-PT15H
DESCRIPTION:ETR R-10
ACTION:AUDIO
END:VALARM
END:VEVENT
END:VCALENDAR