First Sentence:
The high-frequency, or HF, portion of the radio spectrum lies between approximately 3 and 30 megahertz (MHz), or between 3,000 and 30,000 kilohertz (kHz).
Read the first page
Key Phrases - Statistically Improbable Phrases (SIPs):
(learn more)
sunspot range, smoothed sunspot number, daytime skip, expected signal quality, propagation charts, propagation prediction programs, solar phase, high static levels, ionospheric propagation conditions, shortwave propagation, propagation index, propagation kernel, sunrise period, numerical maps, meter openings, meters meters meters meters, sunspot count, ionospheric storms, shortwave communications, sounder data, ionospheric absorption, geomagnetic indices, seasonal chart, sunspot numbers, maximum usable frequency
Key Phrases - Capitalized Phrases (CAPs):
(learn more)
Far East, United States, Nil Nil, Master Propagation Charts, Area Meters Meters Meters Meters Western, South Pacific, Eastern Nil, South Asia, South America, New York, Southeast Nil, Band Distance Between Stations, Central Nil, San Diego, Asiatic Russia, East Africa, North Africa, Western Nil, Middle East, North Pole, Short-Skip Charts, Swiss Federal Observatory, Department of Commerce, High Normal, Location Lat
New!
Books on Related Topics |
Concordance
|
Text Stats
Browse Sample Pages:
Front Cover |
Table of Contents |
First Pages |
Index |
Back Cover |
Surprise Me!