Barrie,you have access to the Calendar.
Open your Calendar App, either Google Calendar or Icalendar, create an event but 'share' it with the OPS account. I added a test event for tomorrow from my Google account to the shared calendar. Details in link below.
https://support.google.com/calendar/answer/37100?co=GENIE.Platform%3DDesktop&hl=enI've added committe contacts and those posting in this thread to the shared calendar and given you all read/write permissions to add events.