GPS : The Digital Map

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1 GPS : The Digital Map Luca Chiarabini lucach@gmail.com

2 What is G.P.S.? Global Positioning System 24 satellites 20,200 km high orbit Developed and maintained by US Dep Of Defense GPS (US), GLONASS (Russia), GALILEO (EU)

3 GPS Signal Free Precise Reliable All weather (fog, night) Anytime & Anywhere Unlimited user capacity Almost!

4 GPS Receiver (aka GPS) Automotive Outdoors Fitness Marine Scientific Military Commercial Etc.

5 What GPS should you get? Capable: High Sensitivity Useful: Can Display Maps Durable: Waterproof/Shockproof Dependable: Long battery life Easy-to-use: Touch Screen Extras: Compass, Altimeter Cheap: Cost < $200, free maps Garmin GPSs are most popular Any Smartphones is a GPS!

6 Do you need a GPS? Probably not... GPS is useful only if Self-guided Exploratory Off trail Remote Complex Critical Nav

7 Let s plan an adventure 1. Research Destinations: What, Where, Why 2. Get a Map: Roads, Trails, Terrain 3. Define Itinerary: Waypoints & Routes How to plan? a) Paper and Pen b) Computer + Printer c) Computer + GPS d) Smartphone w Apps

8 1. Research Destinations Hiking Books Hiking Websites Crowdsourcing Afoot&Afield in San Diego Afoot&Afield in Orange County Afoot&Afield in Inland Empire adventures.garmin.com

9 What is Geocaching? It s a modern day treasure hunt! Cache contents may not be very interesting But some locations are spectacular (TR>=4) Afton Canyon Fish Creek Slot Canyons Lake Hodges Flume

10 2. Get a Map Map Type: Basic: Streets & Roads Aerial: Satellite Imagery Terrain/Topo: Contour Lines Map Format: Raster: image/paper scan Vector: routable, smaller size Online vs Offline: Inet?

11 What is a TOPO Map?? AERIAL MAP TOPO MAP TOPO MAP with shading

12 3. Define Itinerary GPS Data Types: Waypoints: point Routes: p2p Tracks: smooth p2p Tracks Routes GPS Data Formats:.GPX : wpt,routes&tracks.kml : wpt&tracks.kmz : compressed KML Free converter: GPSBabel

13 Computer + GPS ( + Printer ) PC/Mac NatGeo Topo! ExpertGPS TopoFusion Web Caltopo.com Gpsvisualizer.com Gmap4.php Garmin Basecamp Google Earth

14 Caltopo.com (Free / Pro $) Create wpt/tracks Import/Export.gpx.kml Garmin USGS RASTER 24k Maps Excellent Printing / PDF Excellent video tutorials (About) Can load maps to Garmin 3D viz with Google Earth Offline mode too (limited) Multiple map sources (free) Extras:Weather, Snotel, Gauges

15 Caltopo.com Map Sources CalTopo USGS 24k OpenStreetMaps Google Terrain NatGeo/ArcGis USGS 24k OpenCycleMaps Google Earth / Hybrid

16 Garmin BaseCamp (free) Create wpt/routes/tracks Import/Export.gpx.kml Garmin USGS 24k VECTOR maps Good printing capabilities Good video tutorials (Help) Can load maps to Garmin 3D viz with Google Earth Multiple map sources ($$/free) Garmin maps are expensive

17 Garmin BaseCamp Map Sources Garmin ($$) Topo US 24K gpsfiledepot.com Southwest USA Topo Garmin BirdsEye ($$) TOPO USGS Quads gpsfiledepot.com California USA Topo 2008 alternativaslibres.es OpenStreetMaps+Topo Garmin BirdsEye ($$) Satellite Imagery openfietsmap.nl

18 Google Earth (free) Create wpt/tracks in 3D High-def 3D sometimes Up to 20x zoom (vs 15x) Import/Export.kml Import.gpx & from GPS Excellent 3D View Excellent Aerial maps Other map sources MUST have internet NO guiding/routing

19 Smartphone with Apps Map Apps: GPS + Map GaiaGPS: Easy, ios/android, $$$ Locus Maps: vector maps, advanced BackcountryNav: No track guiding MANY more, try them out! Hiking Apps: GPS + Map + Info + Tracks WikiLocs: Hiking, Biking, 4x4, etc. EveryTrail: Mostly only hiking MANY more, try them out!

GPS Receiver vs GPS Smartphone GPS Receiver

20h (share batteries with headlamp, filter,

Applications Mapping & Navigation Camera,

20 GPS Receiver vs GPS Smartphone GPS Receiver GPS Smartphone Waterproof Waterproof/Shockproof Some waterproof, protective cases Battery 2 AA Batteries x 20h (share batteries with headlamp, filter, etc.) Some replaceable battery Some extended batteries External USB battery packs Solar/crank/stove chargers POI search With vector maps Some Online only, Some save offline Routing With routable vector maps Some Online only, Some save offline Applications Mapping & Navigation Camera, , Facebook, ebooks, Audiobooks, music, Google Maps, etc

21 Using a GPS: Before the trip 1. Update Firmware / App (if needed) 2. Delete previous map/data (if needed) 3. Load/Download map (if needed) 4. Load/Download/Create wpt/tracks Smartphones: Use DropBox 5. Check map&data transferred ok 6. Print trip map on paper (as backup) 7. Pack map & compass along

Using a GPS: At the trailhead 1. Power Saving: set display off after 15s, adjust screen brightness to min/max Smartphones: Airplane mode ON, GPS ON 2. Calibrate: compass & altimeter (if needed) 3.

22 Using a GPS: At the trailhead 1. Power Saving: set display off after 15s, adjust screen brightness to min/max Smartphones: Airplane mode ON, GPS ON 2. Calibrate: compass & altimeter (if needed) 3. Orient the map: 3D view OFF, North Up ON 4. Reset odometer / trip computer / tracklog DO TO NOT DELETE wpt/routes/tracks! 5. Track recording ON (if not automatic) 6. Mark starting waypoint (ie: CAR)

Using a GPS: During the trip Basic operations: a) Map: view my location, pan & zoom b) Set Destination: Guiding / Routing c) Trip Computer: distance, time, speed d)

23 Using a GPS: During the trip Basic operations: a) Map: view my location, pan & zoom b) Set Destination: Guiding / Routing c) Trip Computer: distance, time, speed d) Mark Waypoint: record location e) Tracking: record breadcrums f) Extras: Sunset/Sumrise, etc Beware of coordinate format & datum! Verify location on map makes sense!`

24 Demo: Garmin Oregon 450 Main Menu Destination: Waypoint Track Route Map Mark Wpt Guiding Trip Comp.

25 Map Demo: GaiaGps on Android Destination: Waypoint Track Switch / Downloading Maps Guiding Trip Computer

26 GPS : The Digital Map Luca Chiarabini lucach@gmail.com

Using a Garmin GPSMap 64s on a Senior Hike. By: Marilyn Warrant March 12, 2018

Using a Garmin GPSMap 64s on a Senior Hike By: Marilyn Warrant March 12, 2018 Most of these definitions and instructions should also apply to other models of the Garmin GPSMap 64 and GPSMap 62. This document