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Distance Measure

Pulse Radars: Calculating Distance Using Electromagnetic Radiation

Distance is a vital element used in several mathematical calculations required in different practical applications. Determining a property boundary, for example, involves the calculation of the distance between far-off points to establish the specific land area of a certain territory. This is possible through different ways of measurement. Geodetic engineers use transits and measure distances by applying principles from trigonometry and geometry on the data gathered.

Large-scale distance measurement t does not make use of transits because of its limitations. Several factors are considered barriers in using them to measure distances. This includes extreme land contour, inaccuracy of leveling with the datum (sea-level horizon), and inapplicability in the presence of an obstruction. Instead, the best way to measure large-scale distances is by using signals and calculating its transition time.

Signals are forms of electromagnetic radiation that travels at the speed of light. Its main difference with light is that it comprises an invisible layer of the electromagnetic spectrum. To measure distances using a signal, three main components are involved: the target, the signal itself, and the receiver.

The target is the object to which the signal is to be transmitted. With Global Positioning Systems, satellites orbiting the Earth at specific distances serve as the targets. Pulse radar from the surface transmits the radio signal to the satellite and the satellite reflects it back to the surface to be received by specialized equipment in the same or different location. The process is also called
laser distance measurement
.

Distance is measured by the amount of time the signal takes to successfully return to the receiver. Therefore, it is equal to the one-half of the product of the round-trip period. Since electromagnetic radiation travels at the same speed towards the target and back to the receiver, margin of error should be very minimal in
laser distance measurement
.

For example, if the calculation involves one microsecond of error, the result will only be a maximum of 300 meters from the exact distance being determined.
Laser distance measurement
today uses high-technology electronics to reduce error to a negligible state. By doing this, property boundaries can be determined accurately even at a large scale.

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Laser Distance Rangefinder Meter 131 Ft LCD Backlit Handheld Measuring Liumy
Laser Distance Rangefinder Meter 131 Ft LCD Backlit Handheld Measuring Liumy
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Handheld Laser Range Finder Distance Meter Measure Area Volume Tester HT 40 U
Handheld Laser Range Finder Distance Meter Measure Area Volume Tester HT 40 U
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Bosch 35 ft Laser Measure Distance Tape Range
Bosch 35 ft Laser Measure Distance Tape Range
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Handheld Laser Range Finder Distance Meter Measure Area Volume Tester HT 40 KJ
Handheld Laser Range Finder Distance Meter Measure Area Volume Tester HT 40 KJ
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60M Handheld LCD Laser Range Finder Distance Meter Digital Measure Diastimeter
60M Handheld LCD Laser Range Finder Distance Meter Digital Measure Diastimeter
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80M 262ft Digital LCD Laser Distance Meter Range Finder Measure Diastimeter
80M 262ft Digital LCD Laser Distance Meter Range Finder Measure Diastimeter
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Bouncing Rabbit 10m Hand Held Measuring Tape Athletic Distance Events Marker
Bouncing Rabbit 10m Hand Held Measuring Tape Athletic Distance Events Marker
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18m 60ft Digital LCD Tape Distance Meter Range Finder Measure Diastimeter
18m 60ft Digital LCD Tape Distance Meter Range Finder Measure Diastimeter
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NEW 80M Handheld LCD Laser Distance Meter Digital Range Finder Measuring Tools
NEW 80M Handheld LCD Laser Distance Meter Digital Range Finder Measuring Tools
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Johnson Laser Distance Measure 40 6001 NEW IN PACKAGE
Johnson Laser Distance Measure 40 6001 NEW IN PACKAGE
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Radio Shack 63 1005 Ultrasonic Distance Measurer
Radio Shack 63 1005 Ultrasonic Distance Measurer
$5.00
100m Digital Laser Distance Meter Tape Range finder Measure Diastimeter m ft in
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60m Digital Tape Laser Distance Meter Measurer Area Volume Range Finder Measure
60m Digital Tape Laser Distance Meter Measurer Area Volume Range Finder Measure
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Professional 18m 60ft Digital LCD Laser Distance Meter Range Finder Measure
Professional 18m 60ft Digital LCD Laser Distance Meter Range Finder Measure
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Suaoki 100m Digital Laser Distance Meter Tape Range finder Measure Diastimeter
Suaoki 100m Digital Laser Distance Meter Tape Range finder Measure Diastimeter
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Handheld Digital Laser Point Distance Meter Measure Tape Range Finder 60m 196ft
Handheld Digital Laser Point Distance Meter Measure Tape Range Finder 60m 196ft
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Mini Handheld Digital LCD Laser Distance Meter Range Finder Measure Diastimet K
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262ft SNDWAY Laser Distance Meter Range Finder 80M Trena Level Measure Tape Tool
262ft SNDWAY Laser Distance Meter Range Finder 80M Trena Level Measure Tape Tool
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LCD Laser Meter Pointer Ultrasonic Module Distance Measuring Transducer Sensor
LCD Laser Meter Pointer Ultrasonic Module Distance Measuring Transducer Sensor
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High Precision Portable Handheld Laser Distance Meter Digital Laser Tape Measure
High Precision Portable Handheld Laser Distance Meter Digital Laser Tape Measure
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Rupse High Precision Handheld Laser Distance Meter Digital Laser Tape Measure
Rupse High Precision Handheld Laser Distance Meter Digital Laser Tape Measure
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100M Handheld LCD Laser Distance Meter Digital Range Finder Measuring Tools NEW
100M Handheld LCD Laser Distance Meter Digital Range Finder Measuring Tools NEW
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Laser Distance Measurer Full Color Display Measure Home DIYer Hand Tool 135 ft
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Ultrasonic Laser Beam Pointer Digital LCD Tape Measure Range Distance Meter QF
Ultrasonic Laser Beam Pointer Digital LCD Tape Measure Range Distance Meter QF
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100M 328ft Mini Digital Laser Distance Meter Range Finder Measure Diastimeters
100M 328ft Mini Digital Laser Distance Meter Range Finder Measure Diastimeters
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80M LCD Laser Distance Meter Handheld Digital Measure Diastimeter Range Finder
80M LCD Laser Distance Meter Handheld Digital Measure Diastimeter Range Finder
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Leica DISTO D1 130ft Laser Distance Measure with Bluetooth 40 Black Red
Leica DISTO D1 130ft Laser Distance Measure with Bluetooth 40 Black Red
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80M Laser Distance Meter Pythagorean Area Volume Measuring Tools Unit M FT INCH
80M Laser Distance Meter Pythagorean Area Volume Measuring Tools Unit M FT INCH
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Handheld LCD 40M Laser Distance Meter Digital Range Finder Measuring Tools New
Handheld LCD 40M Laser Distance Meter Digital Range Finder Measuring Tools New
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Digital Laser Distance Measure Rangefinder Meter Tape Diastimeter LCD 40m 131ft
Digital Laser Distance Measure Rangefinder Meter Tape Diastimeter LCD 40m 131ft
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LUOYIMAN Laser Measure Digital Distance Laser Measure 196 Feet with Area Volume
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100M Handheld Digital Laser Distance Meter Range Finder Measure Diastimeter US
100M Handheld Digital Laser Distance Meter Range Finder Measure Diastimeter US
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10 Key 18m 60ft Laser Distance Meter Range Finder Measure Diastimeter LCD
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100m 328ft Digital Laser Distance Meters Tape Range finder Measure Diastimeter
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Ultrasonic Distance Measure Laser Point Rangefinder LCD backlight New
Ultrasonic Distance Measure Laser Point Rangefinder LCD backlight New
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LCD Ultrasonic Measure Distance Meter Laser Point Range Finders 18m Tool BO
LCD Ultrasonic Measure Distance Meter Laser Point Range Finders 18m Tool BO
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Range Finder Measure Diastimeter 60m us Handle Digital Laser Distance Meter
Range Finder Measure Diastimeter 60m us Handle Digital Laser Distance Meter
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Handle Digital Laser Distance Meter Range Finder Measure us Diastimeter 60m
Handle Digital Laser Distance Meter Range Finder Measure us Diastimeter 60m
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Handle Digital Laser Distance Meter Range Finder Measure Diastimeter 60m hot
Handle Digital Laser Distance Meter Range Finder Measure Diastimeter 60m hot
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Handle Digital Laser Distance ca Meter Range Finder Measure us Diastimeter 60m
Handle Digital Laser Distance ca Meter Range Finder Measure us Diastimeter 60m
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