- 1 How do I setup my GPS base station?
- 2 How does a GPS base station work?
- 3 How do you set up a transit over a point?
- 4 How is total station used to set out a building?
- 5 What is Levelling staff in surveying?
- 6 What hazards can be caused by a rotating laser level?
- 7 How do you attach a theodolite to a tripod?
- 8 How does an RTK base station work?
- 9 How much does RTK GPS cost?
- 10 What is the difference between DGPS and RTK?
How do I setup my GPS base station?
Base station setup guidelines
- Place the GPS receiver in a location on the jobsite where equal range in all directions provides full coverage of the site.
- Place the GPS antenna in a location that has a clear line of sight to the sky in all directions.
- Place the GPS and radio antennas as high as practical.
How does a GPS base station work?
The base station receiver calculates its position based on satellite signals and compares this location to the known location. The difference is applied to the GPS data recorded by the second GPS receiver, which is known as the roving receiver.
How do you set up a transit over a point?
How To Set Up a Transit Level
- Remove the level from the carrying case.
- Place the level directly on the tripod head.
- Thread or bolt the transit level onto the tripod base.
- Remove the protective lens covers and place them in the carrying case.
- Place the sunshade on the telescope.
- Your transit level is mounted.
How is total station used to set out a building?
Understand how control points and co-ordinates are used to set out the position of buildings etc. Setting Out Procedure
- A theodolite or total station is set up over a control point which has known co-ordinates.
- The instrument is then pointed at another control point in order to orientate the instrument to north.
What is Levelling staff in surveying?
From Wikipedia, the free encyclopedia. A level staff, also called levelling rod, is a graduated wooden or aluminium rod, used with a levelling instrument to determine the difference in height between points or heights of points above a vertical datum. It cannot be used without a leveling instrument.
What hazards can be caused by a rotating laser level?
The viewing of the reflection of the beam on the mirror can also cause damage to the eye. While using a laser level device with this much power, one should never point the laser to the eye as it can be very harmful. Class 4 is the most harmful laser and it can cause damage to the eyes as well as burn the skin.
How do you attach a theodolite to a tripod?
How to Use a Theodolite
- Mark the point at which the theodolite will be set up with a surveyor’s nail or a stake.
- Set up the tripod.
- Drive the tripod legs into the ground using the brackets on the sides of each leg.
- Mount the theodolite by placing it atop the tripod, and screw it in place with the mounting knob.
How does an RTK base station work?
Real-Time Kinematic (RTK) positioning is positioning that is based on at least two GPS receivers—a base receiver and one or more rover receivers. The base receiver takes measurements from satellites in view and then broadcasts them, together with its location, to the rover receiver(s).
How much does RTK GPS cost?
How Much Do RTK GPS Systems Cost? On average, used systems can cost between $2000 to $10000 depending on their functional condition and operational status. Brand new systems from leading manufacturers can cost $15,000 or more.
What is the difference between DGPS and RTK?
So, the difference between RTK and DGPS is that DGPS is the traditional differential GPS. RTK stands for real-time kinematic and commonly uses the RTCM protocol. The traditional DGPS uses an older antiquated protocol while RTK uses a newer algorithm, and the protocol is based on RTCM3.