The fact is that radio waves are capable of traveling underground. As the frequency increases, so does the ability to transmit a signal. Physics Help states that at frequencies below 100 kilohertz, it is difficult for radio waves to penetrate rock and soil. It is possible to penetrate soil at frequencies higher than 1 gigahertz, but the signal strength is not guaranteed.
Usually, radio antennas search for radio waves by using the sparking principle. The radio antenna sends out a signal that sparks an opposite-direction spark. Radio antennas can be affected by interference caused by underground features. It is, therefore, recommended that you remove any underground obstructions before installing a new radio antenna.
The letter “F” can be used to indicate the frequency of radio waves. The wavelength is the shortest wavelength of a radio wave. The wavelengths are different for different types of radiation and, therefore, the wavelengths used in transmission. Microwaves, for example, have shorter wave
Radio waves are themselves emitted from various sources, such as power lines or lightning. Some devices emit radio waves, such as telephones or security cameras. Radio waves are used for various purposes, including communication, scanning, tracking, and radar. Small antennas, called radio telescopes, can receive radio waves.
Radio waves can travel in two ways: through walls and objects like lines of sight. The distance between the object and the antenna usually determines whether a signal reaches its destination. In cases where it is impossible to transmit a signal through an object using line-of-sight, another technique may be required to transmit the signal.
To transmit through obstacles, it is common to divide the signal up into waves. An LCD monitor, for example, may use TV frequencies and have a wide frequency range.
It is, therefore, important that the different waves used to transmit all frequencies in that range can be received by different antennas. A single antenna can receive signals simultaneously from both directions without any interference or distortion. Receiving multiple signals in different directions has the main advantage of increasing capacity and improving reception over time.
This post was written by Justin Tidd, Director at Becker Mining Communications! For over 15 years, Becker Communications has been the industry’s leader in underground radio communication systems and electrical mining communication systems. As they expanded into surface mining, railroads, and tunneling they added wireless communication systems, handheld radios, tagging, and tracking systems, as well as gas monitoring.