Αποτελέσματα Αναζήτησης
23 Μαΐ 2022 · Line-of-sight transmission means the transmitting and receiving antennae can "see" each other as shown. The maximum distance at which they can see each other, d LOS , occurs when the sighting line just grazes the earth's surface.
A line of sight (LOS) calculator is a tool used to determine if there is a clear visual line of sight between two points. It is commonly used in various fields, including telecommunications, surveying, and urban planning.
6 Νοε 2009 · The NEC covers installation - not operation or maintenance. The only people that violate the 50ft rule are the designers or the installers - not the mechanic pulling service at a later date. If you really need to look up the NEC issues for the installation:
The handbook version of the NEC® is replete with copious pictures, diagrams and illustrative example problems that aptly facilitate quicker comprehension of code and associated concepts.
15 Μαΐ 2016 · In Sight From (Within Sight From, Within Sight). Where this Code specifies that one equipment shall be “in sight from,” “within sight from,” or “within sight of,” and so forth, another equipment, the specified equipment is to be visible and not more than 15 m (50 ft) distant from the other.
Definition. Line of sight is the straight line that connects an observer to a point in space, often used to determine visibility between two points. This concept is critical in understanding how objects can be seen or hidden from view due to obstacles in their path.
Line-of-sight propagation is a characteristic of electromagnetic radiation or acoustic wave propagation which means waves can only travel in a direct visual path from the source to the receiver without obstacles. [1]
