You can add the WWVA Master Calendar to any Google Calendar (including your WWVA calendar or personal google calendar):
1) Down on the bottom left side under "Other Calendars" there is an "Add" button, click on that. (be sure to get the one under "other calendars" not the similiar button under "my calendars").
2) Choose "Add by URL".
3) When prompted for a URL, enter this:
http://www.google.com/calendar/feeds/wwva.org_vu99teaadg3lbtmsf57p34e9cs%40group.calendar.google.com/public/basic
4) Click on "Add Calendar" button.
5) That's it!
