Calendar URL:

https://calendar.google.com/calendar/ical/tec8bgc1rjmtekanm2o0ifl9j0%40group.calendar.google.com/public/basic.ics

Subscription Instructions:

iOS: Copy URL from above-Settings-Accounts & Passwords-Add Account-Other-Add Subscribed Calendar-Server-paste-Next-Save

MacOS Calendar: Copy URL from above-Calendar-File-New Calendar Subscription-“paste” (settings as desired)

Google Calendar from web browser: Copy URL from above-select “Add friend’s calendar”-“From URL”- paste in URL

Android Browser:  Select desktop then follow procedure above for web browser