Visual Usa Border Regions

The FCC maintains mapping information for outdated maps that are referenced by outdated rules; Canada and Mexico.

Very specific ruiles for those planning to operate a transmitter in a US ( Canada/Mexico ) border zone(s) should review rules such as 47 CFR 90.619

The FCC also has a "Line-A/Line-C" checker that pertains to some border planning rules on the US/Canada border.

You might have better luck at: