Blood: The familiar red fluid in the body that contains white and red blood cells, platelets, proteins, and other elements.The blood is transported throughout the body by the circulatory system.lood: The familiar red fluid in the body that contains white and red blood cells, platelets, proteins, and other elements.
VHF (Very High Frequency). Electromagnetic waves with the frequency range from 30MHz to 300MHz are called VHF. VHF band is sandwiched between HF (High Frequency) and UHF (Ultra High Frequency) bands in spectrum. Television broadcast and FM radio broadcast (usually utilizes the 88MHz â 108MHz range) are two major uses of VHF.
At 30,000 MHz,the wavelength is only 1 centimeter. The High Frequency (HF) Band The HF band is defined as the frequency range of 3 to 30 MHz. In practice,most HF radios use the spectrum from 1.6 to 30 MHz. Most long-haulcommunications in this band take place between 4 and 18 MHz.