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The finding suggests that this particular line of sight happened to pierce a sequence of 13 evenly spaced "walls" of galaxies.
Thus objects moving toward us will appear unusually bright, and therefore easy to see, while objects moving at large angles to the line of sight will be relatively faint and difficult to see.
3km, and line of sight is completely obstructed by two tall buildings, a construction site and massive trees.
The Orb'Phone Exchange is the first and only non-line-of-sight communications technology that enables users of the Iridium(R) satellite network to quickly and easily establish highly reliable voice and data communications to and from any location where the user is unable to gain line of sight to an orbiting Iridium Satellite such as on board in-flight aircraft, within buildings, under ground or from obstructed areas.
The Company's specialties include the design and manufacture of advanced products and networks used for transmission of voice, data and video using satellite, over-the-horizon microwave, terrestrial line of sight and other wireless communications systems.
The company's technology significantly improves spectral efficiency, ability to operate in non line of sight environments and reliability to meet the needs of leading equipment vendors and their customers.
In addition to providing more reliable links to subscribers that are not in a direct line of sight, OFDM delivers more revenue earning bits per radio channel and more revenue earning subscribers per base station than existing technologies.
The DHFCS program will deliver beyond line of sight high frequency (HF) communication services to the three armed services and other authorized users.