Thanks for following up, @mckinney1949.
I moved your post over to this existing thread: Google Home - "Someone Else is Listening" message
To explain, you won't be able to play different stations across multiple Google Home speakers.
If you would like to play different stations at the same time, you will need to first create a second Pandora account for your other speaker.
You'll then want to make sure that you have a unique Google account affiliated with each account. That's because each Google account holder can only link to one Pandora account at a time.
If you create these unique profiles on your Google Home, you'll be able to access the correct Pandora account by switching the Google account affiliated with your device.
Here's some more information about how to add an additional Google account to your device.
Hope this helps!
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