SMA Nanci Yuan, MD LPCH/Stanford Medical Center May 17, 2006.
Global Positioning System (GPS) Presenters: Dean & Nanci Terencio Phone: 345-1654 Cells: Nanci...
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Transcript of Global Positioning System (GPS) Presenters: Dean & Nanci Terencio Phone: 345-1654 Cells: Nanci...
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Global Positioning
System (GPS) Presenters:
Dean & Nanci Teren-cio
Phone: 345-1654Cells: Nanci 440-7767 Dean 244-6082
Email [email protected]
Feb. 13, 20, 2710:45am – 12:00pm
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What a GPS unit can do for YOU!
Location: Your latitude and longitude (lat, lon)
Find you camp/game
Plan a trip
Store waypoints
Return back the way
in
Find distance
Man over board
Altitude
Many uses
Does NOT replace map or compass
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Global Positioning
System (GPS)
•Constellation of 24 active GPS satellites plus 8 spare
• Medium earth orbit (12,550 miles)
•GPS receivers
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U.S. GPS History
1984 GPS project initiated1994 GPS constellation completed2000 Selective Availability (SA) Turned offU.S. Air Force runs the system
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SatellitesTotal satellites 2,271
Russia 1,324 USA 658
Million of pieces of debris and space junk
Military and civilian earth observation, communications, navigation, weather, research and more
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Location
Low Earth Orbit (LEO) 1,240m
Medium Earth Orbit (MEO) 22,236m
High Earth Orbit (HEO) above 22,236m
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Selecting a GPS Unithow used
cost
size/weight
keyboard size
power source AC/DC
screen size - color/bw
base map
interface jack/antenna
waterproof/water resistance
internal memory
user friendly manual
extra bells and whistles
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GPS Levels
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Location
Location
Location
Location
Location
Location
Location
Location
Location
Location
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W E N
S
Latitude and Longitude
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GPS Fix
Satellites
You are here
Earth
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Coordinates (1)Decimal Degrees
lat 61º11’ 18.95” N
log 149º 55.54” W
Degrees, Decimal, minutes
lat 61º11.317’ N
log 149º 49.927’ W14
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Coordinates (2)
Decimal Degrees
lat 61.188616º
log 149.83210º
Universal Transverse Mercator (UTM)
6787082.42m N
6V347764.95mE15
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map datum
A reference to which measurements are related.
Hundreds of datum's
WGS 84, 72, 64 60
NAD 83, 27
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World Datums
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End session 1 of 3
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Global Positioning
System (GPS) Presenters:
Dean & Nanci Teren-cio
Phone: 345-1654Cells: Nanci 440-7767 Dean 244-6082
Email [email protected]
Feb. 13, 20, 2710:45am – 12:00pm
X
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Todays Discussion
Starting up the GPSFind MenuWaypoints
RoutesTracks
Class Field Exercise
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GPS Face
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Satellite Page
Some show battery life“D” Differential
Number of satillites
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GPS Sky View
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Accuracy Distractors
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Main Page
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System Setup
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Unit Setup
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Position Format
Hddd0 mm.mmm’ = 061o 32.645’
Hddd.dddddo = 061.32645o
Hdddo mm’ss.s” = 061o 32’ 43.25”
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Time Setup
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Coordinated Universal Time (UTC)
24 time zones
15 degrees longitude
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Make Waypoints Mark while on location
Map page
Enter Coordinates
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Waypoint Page
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RoutesWay-points
Waypoint list
WP
WP
WPWP
WP
WP
WP
RouteList
R1
R3
R2
R1
R2
R3
Waypoint Cycle
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Making TrackPoints
Sort of like a route
Hansel and Gretel
Continuous marking
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Track Log Setup
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Track Log
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Tracking Map
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TrackPoints vs WayPoints
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Class Exercise
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End 2/3
End 2/3