One is the visible spectrum, as mentioned above, and the other is the radio spectrum. However, not all of the radio spectrum is useable for space communication. The available window spans from about 30 MHz to 30 GHz, although these are not absolute end frequencies.
Isaiah 43:2 (BBE) When you go through the waters, I will be with you; and through the rivers, they will not go over you: when you go through the fire, you will not be burned; and the flame will have no power over you.saiah 43:2 (CJB) When you pass through water, I will be with you; when you pass through rivers, they will not overwhelm you; when you walk through fire, you will not be scorched-the flame will not burn you.
Travelers can spend a day exploring a short portion of the byway, or a week traveling through several states â or many weeks traveling the entire length of the river. It would take a lifetime to truly experience all that the Great River Road has to offer. Start your Great River Road journey today. Find current road conditions along the Great River Road. Learn more. 6 things you might not know about the Great River Road; Four things to love about the Great River Road; Travel along the Great River Road with author Gayle Harper; Celebrate Drive the Great River Road Month in September