Here’s a good article on choosing the right WiFi channel for your wireless network.
How to chose the right WiFi channel.
This assumes that you can get NetStumble to work with your chosen wireless card. It’s never worked for any of my cards. 
Here’s a good article on choosing the right WiFi channel for your wireless network.
How to chose the right WiFi channel.
This assumes that you can get NetStumble to work with your chosen wireless card. It’s never worked for any of my cards.