BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//contestcal//Amateur Radio Contest Calendar//EN
CALSCALE:GREGORIAN
X-WR-CALNAME:Amateur Radio Contests (ES Open HF Championship)
X-WR-TIMEZONE:UTC
REFRESH-INTERVAL;VALUE=DURATION:PT12H
X-PUBLISHED-TTL:PT12H
X-WR-CALDESC:Rolling window: the last 30 days and the next 365 days. Filter
 ed: ES Open HF Championship. Dates are computed from each sponsor's own pu
 blished rules. Times are UTC instants\; events marked TENTATIVE have not b
 een verified against the sponsor's page yet.
BEGIN:VEVENT
UID:erau-es-open-20270417T0500@contestcal
DTSTAMP:20261001T212728Z
DTSTART:20270417T050000Z
DTEND:20270417T085900Z
SUMMARY:ES Open HF Championship
DESCRIPTION:Sponsor: ERAU\nModes: CW\, SSB\nBands: 80m\, 40m\nBand note: CW
  3510-3560 and 7010-7040 kHz\; SSB 3600-3650\, 3700-3750 and 7060-7100\, 7
 130-7175 kHz.\nDuration: 3h 59m\nExchange: RS(T) and a continuous serial n
 umber from 001.\nLogs due: 2027-04-24\nNote: The third Saturday of April 2
 026 is the 18th\, which is the date the rules print and the date ERAU's ow
 n 2026 calendar carries. Everyone may enter\, but only ES stations can wor
 k everyone\; that asymmetry is recorded in the eligibility note rather tha
 n as two_sided\, because two_sided would tell a station in an unlisted ent
 ity it cannot enter\, which is false here.\nRules: https://erau.ee/images/
 LL/ES-Open_rules.pdf
URL:https://erau.ee/images/LL/ES-Open_rules.pdf
CATEGORIES:CW,SSB
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR