Content
Topic Introduction
The Global Navigation Satellite System is a constellation of satellites used worldwide to determine positioning on Earth. We will learn how these systems work and what information is needed to determine positioning on Earth. We will also learn about GPS and how it is used in a forest.
Topic Readings
Required Readings
There are no required readings.
Optional Readings
- Websites
- Papers
- Poole, K. G., Bachmann, K. D., & Teske, I. E. (2010). Mineral lick use by GPS radio-collared mountain goats in southeastern British Columbia. Western North American Naturalist, 70(2), 208-218.
- Macrì, G., Russo, D., Zimbalatti, G., & Proto, A. R. (2016). Measuring the mobility parameters of tree-length forwarding systems using GPS technology in the Southern Italy forestry. Agronomy Research, 14(3), 836-845.
Self Check (For certificate learning only)
Self-check Quiz 1.2
Quiz Questions:
- What are the three segments of GNSS?
- What are some examples of GPS use in daily life?
- How accurate is smart phone GPS and under what conditions ?
- What is differential GNSS?
- Does a receiver use a one way or two way signal?
Check Answers:
Instructions: Take the quiz by clicking Self-check Quiz 1.2 and compare your answer with the Model Answer after your attempt.
Topic Summary
GPS and GNSS systems are often used by forestry practitioners, especially when areas of harvest are remote. Professionals need to be able to understand and accurately apply this technology, not only to ensure their job is done well, but to also ensure they don’t get lost in the process.
Topic Self-review (For self learning)
Please use the reflection questions below as study guide to conduct self-review for the topic.
- What information is needed to define location from space?
- What is GPS and how does it work?
- What other satellite navigation systems exist?
- How can GNSS accuracy be improved?
- How might you use GPS as a forestry practitioner?
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