Somerset Scientific Report Final .pdf

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Original filename: Somerset Scientific Report-Final.pdf
Title: GPS – Is It Accurate
Author: Jayden Sully

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GPS – IS IT ACCURATE

[Pick the date]

Somerset College – Science Report
An experimental report on the Science/Technology of GPS (Global
Positioning System)

BY: Jayden Sully
Year: 7

GPS – Is It Accurate

GPS – Is It Accurate
SOMERSET COLLEGE – SCIENCE REPORT

Introduction
The main problem I will be focusing on is that modern GPS in phones may not be accurate
enough to find lost items like phones and other GPS enabled items. I will be focusing on this
topic as modern society really doesn’t like losing valuable items like phones or children. By
doing this test we will be able to see how accurate GPS that is open to the public is in different
phones and in different parts of a state and therefore we will be able to find ways to make
modern GPS technology more accurate and easier for the public to access. I will be using
different types of GPS enabled devices like Samsung and Apple devices for my experiments.
My experiment will show you the distance of accuracy.

Page 1

GPS – Is It Accurate

Aim
The aim of this experiment was to see how accurate GPS technology could be in different
areas and if it could be used to accurately track your devices and/or children when they were
lost or out and about.

Hypothesis
If a newer generation smartphone is tracked then it will be more accurate than an older
generation smartphone because the technology inside it will be more powerful and therefore
more accurate

Variables:
Variable:

Variable Discussed:

Independent

The independent variable I am changing is the type of phone (IPhone to Samsung) with
this variable I will be testing the accuracy of each of the two phones.

Dependent

The dependant variable I will be testing is the accuracy (in metres) of the GPS inside
each of the two phones.

Controlled

The controlled variable is the location of the test which was in the quadrangle at
Somerset College.

Uncontrolled

The uncontrolled variable is the line of sight between the phone and the satellites and
sometimes a plane, cloud or building will get in the way therefore making the phones less
accurate during the test.

Method
An account Life 360 is created, then two mobile phones were added to the system and
then the phones were tracked to waypoints around the town, then all the data from the
phones was compiled and added to bar graphs to show the accuracy rate of each phone.
Page 2

GPS – Is It Accurate

Method (Continued)
1.

Create an account on Life 360

2.

Add two (2) phones to the account

3.

Walk around an oval refreshing Life 360 and recording results

4.

Add all the data into a bar graph

Data:
Phone

Try 1(meters)

Try 2 (meters)

Try 3 (meters)

IPhone 4s

5m

2.7m

2.3m

Samsung s5

1.0m

7.5m

1.3m

Data Processed:
Phone

Try 1(meters)

Try 2 (meters) Try 3 (meters) Average

IPhone 4s

5m

2.7m

2.3m

3.34m

Samsung s5

1.0m

7.5m

1.3m

3.26m

Page 3

GPS Test Results

GPS – Is It Accurate

Graph

Test 3

Test No.

2.3

Test 2

2.7

Test 1

5
0

1

2

3

4

5

6

7

Metres
Samsung s5

Iphone

Discussion:
The data that I have collected has shown that the newer version phones have a better GPS
accuracy than an older generation phone such as the IPhone 4s. I believe this is because
the Samsung Galaxy s5 has newer and more refined GPS software than the IPhone. I was
also surprised with sudden decrease of accuracy with the Samsung during test 2, I believe
that this occurred due to a loss in signal connection due to interference from a building or
tower in the quad.

Improvements:
If I was to improve anything about this test it would be the phones were built around the
same time but one was made about six months after the other making the test less
accurate.

Page 4

8

GPS – Is It Accurate

BIBLIOGRAPHY:
360, L., 2015. Life 360. [Online]
Available at: https://www.life360.com/
[Accessed 9,11,14 April 2015].
Garmin Ltd, 1996-2015. Garmin | what is GPS. [Online]
Available at: www8.garmin.com/aboutGPS
[Accessed 7,9,12,14 April 2015].
Pomona College, NA . Manual for Experimental Reports. [Online]
Available at: http://www.pomona.edu/academics/departments/psychology/materialshandouts/experimental-reports.aspx
[Accessed 14th April 2015].
Spaceflight Now, 2015. Newest GPS satellite goes into service, s.l.: Spaceflight Now.
Unilearning, 2000. Examples of discussion sections. [Online]
Available at: http://unilearning.uow.edu.au/report/2bvi1.html
[Accessed 3 June 2015].
University, M., 2015. Writing in science. [Online]
Available at: http://www.monash.edu.au/lls/llonline/writing/science/7.xml
[Accessed 3 June 2015].

Page 5


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