GPS Accuracy
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ArcGIS Stuff
500

This type of error is caused by slight inaccuracies in satellite orbit data

What is ephemeris error?

500

This file indicates the rough location of all satellites

What is the almanac file?

500

This step in project planning helps determine features to be mapped

What is Field Reconnaissance?

500

Number of satellites required to compute an accurate 3-D position

What is 4?

500

This model is the smooth mathematical approximation of the shape of the earth.

What is an Ellipsoid?

500

Given that the reference layer is in Montana State Plane, and the GPS is collecting data in unprojected CRS (WGS 84), the coordinate system of the ArcGIS Fieldmap should be this.

What is Montana State Plane?

1000

The confidence interval reported in Field Maps for horizontal Accuracy

What is 68% or 1 SD

1000

The three main signals from GPS satellites

What are L1, L2, L5?

1000

This is the file format name of raw log data taken from the RS2 GPS to be used for correction

What is RINEX data?

1000

Two types of errors that cannot be corrected by differential GPS

What are multipath and measurement noise?

1000

Montana State Plane is an example of one of these

What is a Coordinate System?

1000

These 7 cartographic elements are required on Project Print Maps

What are:

1. Title

2. Legend

3. North arrow (If appropriate)

4. Scale

5. Your name

6. Data Citations 

7. Date

1500

These are the three accuracy solutions collected by RS2

What is Fix, Float, Single?; Q1, Q2, Q5?

1500

A satellite’s signal strength is called this

What is signal-to-noise-ratio or SNR?

1500

This is the correct UTC time offset in Bozeman on Exam Day

What is UTC-7?

1500

The word used to describe satellite distance measurements that contain errors

What is pseudo-range?

1500

These define a Geodetic Datum

What are an ellipsoid and its origin and orientation?

1500

This is the ArcGIS data format that can contain vector, raster, tabular, relational, and other types of data.

What is a File Geodatabase?

2000

These three words for GPS positional correction are usually abbreviated RTK

Real-Time Kinematic

2000

The part of the whole GPS system that includes receivers

What is the User Segment?

2000

This page format measures 34 inches by 44 inches

What is ANSI E, or E-sized?

2000

This is the Speed of Light

What is 186,000 miles per second? - or - What is 300,000 kilometers per second

2000

A ________ Cylindrical Projection intersects the Earth along a meridian line

That is TRANSVERSE?

2000

Found under Profile settings in ArcGIS Fieldmaps, the _______ provides GPS coordinates to the map interface.

What is the Location Provider?

2500

This is the expected accuracy range of a WAAS capable recreational GPS

What is 1-2 meters?

2500

The type of code available to civilian GPS users

What is C/A code or coarse acquisition code?

2500

This type of data documents methods, attributes, dates and other descriptors of GIS data

What is Metadata?

2500

How long it takes for a GPS radio signal to reach the earth

What is .06 seconds?

2500

This model is the equipotential surface of the Earth’s gravity field, which best approximates "sea level"

What is a Geoid?

2500

This tool is used to share your data from ArcGIS Pro to ArcGIS Online

What is the Publish Web Layer tool?