10.5. Position Fixing Techniques

Try these first

1. 1.

   What does the term 'range' refer to in position fixing?

   Hint

   Think about measurements from the shore.

2. 2.

   Name one shore-based positioning method.

   Hint

   Consider methods that involve sights from the land.

3. 3.

   What does DGPS stand for?

   Hint

   Remember the enhancements to standard GPS.

4. 4.

   RTK-GPS provides what level of accuracy?

   • Meter-level
   • Centimeter-level
   • Decimeter-level

   Hint

   Think about how precise the measurements need to be.

5. 5.

   You are tasked with surveying a lake that has no visible landmarks. Describe a plan using RTK-GPS and DGPS to ensure accurate positioning during your survey.

   Hint

   Consider how waves and atmospheric conditions might affect your signals.

6. 6.

   You need to compare the effectiveness of range/bearings with DGPS in a specific surveying project. How would you document your findings?

   Hint

   Focus on real-world applications as contrasts.