You are exactly right Ken you can shoot either day and shoot pistol or carbine either day

Here are the links to registration page.

You can register the day of but it helps to register ahead of time, you don't have to pay online.

PISTOL here
https://practiscore.com/tps-uspsa-fe...range/register

CARBINE here
https://practiscore.com/tps-uspsa-ca...clone/register