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BIO 150.02 > GIS I > Flashcards

GIS I Flashcards

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Biology 101 flashcards
1
Q

What does GNSS means?

A

Global Navigation Satellite Services

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2
Q

What is the constellation of satellites orbiting the Earth that effectively allow a device with the appropriate receiver and software to determine the exact position on the surface of the globe?

A

USA’s GPS system

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3
Q

What is Russia’s GPS system?

A

GLONASS

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4
Q

What is China’s GPS system?

A

BEIDOU

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5
Q

What is the European Union’s GPS system?

A

GALILEO

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6
Q

What is used by civilian consumer market for coordinate positioning and are made by Garmin and Magellan?

A

trail GPS devices

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7
Q

What are the application of GNSS access?

A

Trail mapping apps, coordinate positioning, geotagging, and entertainment applications such as AR location video games

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8
Q

What is the units for the coordinates?

A

Degrees-Minutes-Seconds and Meters

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9
Q

What shows how many satellites are visible to the receiver?

A

Satellite View

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10
Q

In Satellite View, what shows how many satellites are currently visible?

A

In View

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11
Q

In Satellite View, what shows how many satellite have signals strong and clear enough?

A

In Use

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12
Q

What shows how many satellites are currently in view (grey) and how many satellites are in use (colored) by the device?

A

Satellite Signal Strength

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13
Q

In Satellite Signal Strength, what provides the most accurate reading?

A

30 - 99 SNR (Signal-to-Noise-Ratio)

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14
Q

What shows the accuracy of the readings, in meters or feet?

A

Accuracy Pane

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15
Q

What should be the setting of the ‘compass’ in GPS Essentials?

A

True North, not Magnetic North

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15
Q

What shows the device triangulated location on a map of the world?

A

Map and Coordinate View

16
Q

What blocks GPS signals?

A

Artificial structures and Tree Canopies with Wet Leaves

17
Q

Until when do we count the number of satellites and coordinates?

A

Until one is adjacent to the building

18
Q

What to do to factor fluctuations of data?

A

Take 3 measurements that are 10 seconds apart, and calculate the average.

19
Q

What is the file type GPS coordinates are save in?

A

KMZ/KML file

BIO 150.02 (7 decks)

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