Fundamentals of Mission-Critical Communication
Learn the foundational concepts behind key capabilities.
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Learn about the distinct RF bands including High Frequency (HF), Very High Frequency (VHF), Ultra High Frequency (UHF), microwave and Satellite Communications (SATCOM).
What are the different types of tactical radio? Learn about the distinct RF bands including HF, VHF, UHF, microwave and SATCOM.
Learn about the elements of a radio wave including frequency, amplitude and wavelength.
Learn about electrical and magnetic fields and how they form an electromagnetic wave.
Learn about attenuation, antenna configuration and amplitude.
Learn about the causes of RF noise and interference and how it can be mitigated to help ensure reliable communication in a tactical environment.
Explore some common questions about tactical radios, such as: Are radios dangerous? How do we use radios in our daily lives? Can radios work under water?
Learn about the role of antennas, different types and how they support changing mission demands in tactical communication environments.
Learn how a radio antenna transmits and receives, impacts the properties of a wave and the advantages of using a coupler.
Learn about radio antenna radiation patterns and how polarization and power impact antenna performance when using tactical radios.
Learn about setting the proper height, azimuth and grounding for intended antenna performance.
Learn about the basics of HF tactical radio and the importance of the electromagnetic spectrum, propagation and effective planning for Beyond Line Of Sight (BLOS) communication.
Learn about the benefits of using HF radio within tactical communications and the advantages it provides when it comes to Beyond Line Of Sight (BLOS) range, independence and security.
Learn about the conditions when HF radio is a potential solution for tactical communications and the effect of location, nature and performance in contested environments.
What are the parts of an HF radio system? Learn about the different parts of a complete high frequency radio system and the roles of the transceiver, antenna and ancillary equipment.
Explore a scenario where HF radio can be used for tactical communications.
Learn about the layers of the atmosphere, frequencies to use and how refraction extends range for Beyond Line Of Sight (BLOS) communication.
Learn about HF wave propagation, including ground waves, skywaves, NVIS and skip zones.
The appearance of U.S. Department of War visual information does not imply or constitute DOW endorsement.