## How do you calculate line-of-sight?

Substitute the above given values of Station1 and Station2 in the formula, = √ (2*height) = √ (2*250) = 22 Miles . = √ (2*height) = √ (2*350) = 26 Miles . Line of Sight = 22 + 26 = 48 Miles.

What is line-of-sight distance?

Sight distance is the length of roadway visible to a driver. The three types of sight distance common in roadway design are intersection sight distance, stopping sight distance, and passing sight distance.

### Is VHF UHF line-of-sight?

VHF radio waves operate in a band between 30-300 megahertz, while UHF radio signals are propagated within 300 megahertz and 3 gigahertz. These radio waves travel over line of sight, making them ideal for local communications over a few kilometres.

How far away is the radio horizon of an antenna 100 ft high?

take an antenna 100 ft high. sqrt(100)=10; Horizon = 12.3 miles.

#### How does line-of-sight work?

It is a rather simple principle: In order to view an object, you must sight along a line at that object; and when you do light will come from that object to your eye along the line of sight. A luminous object emits light in a variety of directions; and an illuminated object reflects light in a variety of directions.

How do you find the exact distance between two points on a map?

To measure the distance between two points:

2. Right-click on your starting point.
3. Select Measure distance.
4. To create a path to measure, click anywhere on the map. To add another point, click anywhere on the map.
5. When finished, on the card at the bottom, click Close .

## What is optical line-of-sight?

The line of vision; the optical axis of a telescope or other observation system. The straight line connecting the object and the objective lens of the viewing device. 1 company.

Does UHF need line-of-sight?

UHF radio waves propagate mainly by line of sight; they are blocked by hills and large buildings although the transmission through building walls is strong enough for indoor reception.

### What is the difference between visual line-of-sight and RF line-of-sight?

When speaking about radios and line-of-sight, it must be understood that visual LOS and RF LOS are two very different concepts. RF LOS refers to a clear Fresnel zone between two radio antennas while visual LOS only refers to a being able to see the other object in a straight line.