Subscribing to a Master Calendar using Google Calendar
Step 1
In Master Calendar, click Notifications/iCal Feeds

Step 2
Select at least one calendar and click the right arrow. In the screenshot below, I am subscribing to three different calendars at once.
When you are satisfied with your calendar selection, click iCalendar Feed

Step 3
Select the Http iCal Link and copy it to your clipboard
Step 4
In your Google calendar, click the down arrow next to Other Calendars and select Add by URL
Paste the iCal URL into the URL field and then click Add Calendar


