this page is intended to guide you through software defined radio. cubicsdr is a SDR application that has few requirements and is known to work.
radio antenna length measured to the frequency and divided in half provides high gain, and strong signal reception. antenna lengths work in 1/2s 1/4ths 1/8ths and between, many cb antennas run something like 5/8ths length or 1/4 wave 109 inch whip antennas. there are many types of antennas, parabolic dish antennas provide long distance narrow signal beams good for point to point such as long distance wireless network connections.
145.800 is the international space station frequency.