Finding Your Old RSS Feed
Log In to your Anchor account.
Head to Settings.
Click Update Settings
Scroll to the bottom and click on Advanced to expand that section.
Copy your RSS Feed from there!
Migrating From Anchor
Log into your Anchor account on the web
Click 'Settings' in the top right of your screen
Click 'Podcast availability'
Scroll down to 'RSS Distribution' and insert your new host's RSS feed into the box provided for Redirect URL
All redirects should be left in place for at least 1 week before you delete your Anchor account. This is just to make sure Directories have enough time to correct to your new RSS Feed, and to make sure you retain all existing subscribers.