1. These steps to link your Android phone calendar must be done first on a computer its not possible to initiate the link from the Calendar Android App. 
   
2. Open Google Calendar from a PC
3. On the left side, find "Other calendars" and click the down arrow .
4. Select Add by URL & Enter the Pack 859 calendar's address in the field https://goo.gl/j7DBaF
   
5. Click Add calendar. The calendar will appear on the left side under "Other calendars."
6. Open Calendar APP on phone and refresh your calendar
7. Open Settings in Calendar App and you should see "Pack 859" open that and enable "Sync" and you are done
   
   

iPhone

1. Tap the "Settings" icon
2. Tap "Passwords and Accounts"
3. Tap "Add Account" and select "Other."
4. Select the "Add Subscribed Calendar" option, fill in the Google Calendar URL https://goo.gl/j7DBaF  in the Server box and click "Next."
   
5. Change any settings you see fit before saving the calendar. You do not need a username or password.
6. Toggle your view of the subscribed calendar by opening the Calendar app and tapping "Calendars" in the upper left corner.
   
7. Tap a calendar name to either display or remove calendar events.