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The Total Station (TST) is a widely used tool for electronic or optical savings modern. It has been used by many individuals as archaeologists (excavations registration) police (crime scene investigations of accidents or private) insurance companies, and other many geodetic applications. If you look at the total station, you will notice that its electronic theodolite (transit type) coupled to an electronic counter Distance (EDM) which can be used for measuring distance from the area in particular.

There are many models available TST on the market. For example, internal models TST certain facilities electronic storage of data that can easily record the horizontal distances and vertical angle measurements horizontal and vertical. Similarly, some models have hand data collectors external computer can record field data. Depending on the sophistication of the model the price of the instruments vary TST low prices to high prices.

Use trafficking in general, distances and angles are measured (reference to the Total petrol station) to the points under investigation, and the corresponding coordinates (X, Y and Z or north, east and altitude) of the points studied were derived (refer to the position of the Total station) using trigonometry or triangulation methods. In addition, the total station work on the line of sight observations. Thus, it must be implemented on a set point, or line of sight to two or more known points. The main important attribute of TST is that it can be combined with a computer. In other words, data can be transferred from the TST to a computer and later using the appropriate application software, the results could be analyzed and generated and corresponding map of the site investigation could be developed.

More Sophisticated TST Global Navigation Satellite System (GNSS or GPS) to measure very precisely (few meters) of latitude, longitude and altitude of or a given point. The advantage is having GNSS, it does not require line of sight of measurement points. However, GNSS is accurate poor measurement along the vertical axis, without long periods of occupation. Considering that TST allows high precision measurements on the vertical axis. Thus by combining these two technologies (TST & GNSS or GPS), much faster and accurate data can be collected from the area wide survey.

The last measure angles using electro-optical instruments TST exploration device incorporated. For example, the extreme precision numeric bar codes etched on rotating glass cylinders or discs have been provided in the act of TST. These types of highly sophisticated and high quality total stations have the ability to measure angles to an accuracy of 0.5 arcsec compared cheap total stations which can generally measure angles to an accuracy of 5 or 10 seconds of arc.

TST uses modulated microwave signal or Infrared carrier (issued by an issuer of small semiconductor) sent along the optical path of the instrument, and reflected by a prismatic reflector retained at the point under investigation. The return signal is received by the onboard computer of trafficking and processed to determine the distance of this particular point. Most instruments TST can measure the distance to the accuracy of 3 millimeters or one thousandth of a foot.

The TCT has revolutionized the whole earth survey with accuracy, speed and convenience. Similarly, with the combination of satellite technology, it can be used for surveys on more Precision covering large areas.

Land Surveys Pty Ltd are licensed surveyors and provide a complete array of surveying services in Perth & Karratha, Western Australia.