| #5519249 in Books | 1978-06 | Original language:English | PDF # 1 | File type: PDF | 255 pages||2 of 2 people found the following review helpful.| Outstanding|By John A. Faulkner|The ELF (Extremely Low Frequency) radio band of 30 to 300Hz has the disadvantages of low bandwidth and therefore low data rates and a wavelength measured in megametres implying inefficient and non-directional antennas. Its ability to penetrate media such as seawater and the Earth's crust, however, recommend it for some specialised applications.
You can specify the type of files you want, for your device.Elf Communications Antennas (IEE Electromagnetic Waves) | M.L. Burrows. Just read it with an open mind because none of us really know.
