If you want to subscribe to this calendar with a Google ID search for HarrogateSquareCondominium@Gmail.com in your "Add calendar" settings (https://calendar.google.com/calendar/u/0/r/settings/addcalendar?pli=1)
If you want to subscribe to this calendar with an Apple ID, put this in your iCal subscription search field,
(https://calendar.google.com/calendar/ical/harrogatesquarecondominium%40gmail.com/public/basic.ics)