iPhone Instructions:
Step 1: Tap the Settings on your iOS device's Home screen.
Step 2: Select "Mail, Contacts, Calendars," then tap "Add Account" in the Accounts section.
Step 3: Select Add Account
Step 4: Select "Other"
Step 5: Select "Add Subscribed Calendar"
Step 6: Paste in iCal Link:
https://calendar.google.com/calendar/ical/jqj2as82rm86qdsa652am5mbik%40group.calendar.google.com/public/basic.ics
Step 7: Select "Next," then enter a name for the calendar in the Description field.
Step 8: Select "Save" to add the calendar to the Calendar app.
Step 9: View the Calendar