What does 200m tell you about a radio wave?
Table of Contents
What does 200m tell you about a radio wave?
My parents bought me a simple, ordinary alarm clock radio. At night, thanks to ionospheric propagation, AM radio signals travel much farther than they do during the daytime, beaming right into your radio from hundreds and hundreds of miles away! It’s a complex effect, but I’ll try to e…
What is the wavelength of radio waves transmitted by a radio station with a frequency of 100 million cycles per second?
For example, a typical radio wave transmitted by an FM radio station has a wavelength of about three (3) meters and a frequency of about 100 million cycles (waves) per second or “100 MHz.” One “hertz” (abbreviated “Hz”) equals one cycle per second.
What is the wavelength of radio waves in meters?
Regions of the Electromagnetic Spectrum
| Wavelength (m) | Energy (J) | |
|---|---|---|
| Radio | > 1 x 10-1 | < 2 x 10-24 |
| Microwave | 1 x 10-3 – 1 x 10-1 | 2 x 10-24- 2 x 10-22 |
| Infrared | 7 x 10-7 – 1 x 10-3 | 2 x 10-22 – 3 x 10-19 |
| Optical | 4 x 10-7 – 7 x 10-7 | 3 x 10-19 – 5 x 10-19 |
What are short radio waves used for?
Shortwave radio is used for broadcasting of voice and music to shortwave listeners over very large areas; sometimes entire continents or beyond.
What is a shortwave radio used for?
Besides their use in international broadcasting, shortwave radio frequencies and techniques are utilized to relay telephone and telegraph communications over great distances. Amateur radio stations and portable two-way radios also operate at shortwave frequencies.
How do you find the wavelength of a radio station?
How to calculate wavelength
- Determine the frequency of the wave. For example, f = 10 MHz .
- Choose the velocity of the wave.
- Substitute these values into the wavelength equation λ = v/f .
- Calculate the result.
- You can also use this tool as a frequency calculator.