Download topo maps for offline outdoor navigation! As seen on Teen Wolf! Use your phone or tablet as an offroad topo mapping handheld GPS with the bestselling outdoor navigation app for Android! Explore beyond cell coverage for hiking and other recreation.

Download topo maps for the US and many other countries in advance, so you won't need cell coverage when navigating.

Use GPS waypoints from GPX or KML files, or enter your own coordinates using longitude/latitude, UTM MGRS, or grid reference. Using GOTO makes a waypoint a locus for navigation.

This uses many publicly available map sources as free downloads. It also has some additional content available as an in app purchase:
-Accuterra Topo Map Source for $19.99/year. This can be purchased and used with or in instead of the free sources.
- Boundary maps for 12 western states from the Bureau of Land Management(BLM) from $9.99 each. Overlay for topo maps valued by hunters.
-GMU boundaries in some states
-Lake Contours in WA,CT,MN
-Content from US TrailMaps for $15.99, including:
-ATV, Whitewater, and Equestrian Trail Maps,

See these in the menu under More-> "Purchasing AddOns". They can be shown on top of topo maps.

You may try the DEMO version to make sure you like the maps in your country.

About topo (topographic) maps: Topo maps show terrain through color and contours, and are useful for navigation offroad. Topo maps and GPS can be used for hiking, hunting, kayaking, snowshoeing, & backpacker trails.
You can create your own maps with Mobile Atlas Creator, or specify a custom tile server. Built in sources include:
OpenStreetMaps from MapQuest
OpenCycleMaps showing terrain worldwide
US Topo Maps from Caltopo and the USGS
USTopo: Aerial Photography with markup.
Canada Topo Maps from Toporama
Marine maps: NOAA RNC Nautical Charts (coastal)
USGS Color Aerial photography
Topographic Maps of Spain and Italy
Topo maps of New Zealand
Japan GSI maps.
Many of the Above sources are generally free to use.

Use offline topo maps and GPS on hiking trails without cell service. The GPS in your Android phone can get its position from GPS satellites, and you don’t have to rely on your data plan to get maps. Have more fun and safe GPS adventures in the backcountry.

Use for geocaching by getting a pocket query as GPX.

Besides geocaching, use GPS for recording tracks and GPS waypoints on your trip, all the while tracking your GPS quest on topographic maps. It may replace your Garmin handheld GPS.

Here are some of the outdoor GPS activities BackCountry Navigator has been used for:
As a hiking GPS both on hiking trails and off trail.
Camping trips to find that perfect camping site or find your way back to camp with GPS.
Hunting trips for hunting wild game in rugged areas.
Doing recon for a hunt or a live hunting trip.
Fishing: mark your favorite fishing spots and navigate with GPS.
Search and Rescue (SAR).
Trekking the Pacific Crest trail or other long term hiking.
Kayak and canoe trips on inland lakes and streams or marine, coastal waters.
Backpacker trips: using topo maps of wilderness areas and national forests to navigate on trails with the GPS. Have this in your rucksack or backpack.
Snow adventures including snowmobiling, skiing and snowshoeing.

Find your own ways to have fun in the outdoors. Be a maverick by venturing beyond cell service boundaries with your GPS. Become a pro at navigation with GPS for allsports for the outdoors.

BackCountry Navigator has been previously available on WM devices and preloaded on the Trimble Nomad outdoor rugged device. This Android version is more flexible, featured, and fun.

For a one time fee, this a great addition to the outdoor gear you bought at Cabelas, REI, or another outdoor store. Many have found the Android GPS in a phone or tablet to substitute for a Garmin GPS or Magellan GPS, such as the Garmin Montana GPS, Garmin Etrex GPS, or the Garmin Oregon GPS. Android can be your handheld GPS.

Convert your phone into the most powerful GPS for Android Powered Devices with GPS Waypoints Navigator, now the world's most sought-after smart phone navigation aide. With dozens of options for navigating the back-country, waterways and roadways, the tool set found in this software package will quickly become your best friend. Venture beyond network reach using offline maps and tools that only require a good view of the sky. Share important location data with friends who will be able to navigate to your favorite waypoints and find your favorite trails. Get:

★ Waypoint and Trail Management Systems.

★ Waypoint File System (new in version 7.1).

★ Waypoint photography

★ Online and offline maps. Cache maps for offline use. Choose maps from multiple sources: Topo Maps, Google Maps, Satellite Maps, OpenStreetMaps- MapNik, Mapquest, Cycling Maps and OpenSeaMap.

★ KML file importing and exporting for trails and waypoints. Your exported data will be viewable and navigable on your friend's devices and in Google Earth.

★ A panel for all your GPS parameters.

★ Navigational compasses.

★ Trail Recorder.

★ Several waypoint creation tools: Enter coordinates, set a waypoint by tapping on a map, save your current position or enter an address (voice entry supported).

★ Two Waypoint Guidance Systems including a dynamic waypoint compass that always points to your target and a new navigation concept- GPS Reflected Pseudo-Radar (available only from DS Software).

★ Trail Guidance System.

★ Map Search: Supports entry of addresses and coordinates in just about any format including UTM and MGRS.

★ Satellite reports including satellite signal bar graphs and satellite position mapping.

★ Email a map of your position. Navigation software not required on recipient's device.

★ Seamless integration with Google Earth.

★ Odometer / Speedometer / Estimated Time of Arrival / Time Remaining.

★ Data reporting for marine navigation.

★ Supports several coordinate formats: Latitude/Longitude as degrees, deg:min or deg:min:sec, UTM, MGRS.

★ Proximity alerts.

★ Altitude determined from your position matched to altitude values in land survey databases providing you with values that are more reliable than altitude values returned from your device's GPS chip.

★ Map with floating reticule that shows your position with bearing and distance to reticule.

★ Sunrise Sunset report- Does not require a network connection. Useful for planning expedition turn around time or time to make camp.

★ Data is backed up allowing battery change without data loss.

This premium navigation system is ad-free

★ Check out our YouTube product demo at: http://www.youtube.com/watch?v=3K9dGhZG73s

Also get:
- Turn-by-turn driving directions and driving maps.
- You decide how compasses are controlled- By GPS or magnetically. Use magnetic control for indoors, underground or in caves.
- Customized unit reporting: Units reported as either U.S or SI/Metric
- Full control over timer functions and a database recovery/reset option.
- Detailed Help file
- Excellent customer service
- Supports multiple languages: English, Spanish, German, Portuguese, Russian, Chinese (traditional and simplified).

With GPS Waypoints Navigator, every navigation experience will be as easy as a walk in the park!

★ Recent Additions ★
V.6.32- ADDED AN OPTION TO HIDE THE MENU BAR FROM ALL SCREENS AND A MAGNETIC COMPASS SENSITIVITY CONTROL
V.6.10- MARINE MARKERS
V.5.90- WAYPOINT PHOTOGRAPHY
V.5.74- MAP SEARCH
V.5.71- CREATE A WAYPOINT BY ENTERING AN ADDRESS (VOICE OR KEYBOARD). VIEW APPROXIMATE ADDRESS FOR CURRENT POSITION.
V.5.60- More offline map types and easier to swap maps. View waypoints on any map.
-Users now have the option to chose Satellite, United States Geologic Survey location based altitude or Mapquest's Altitude Service for altitude reporting. USGS and Mapquest data are generally more accurate but require a network connection. USGS available only in contiguous U.S.A, Canada and Mexico.

The Nautical GPS for Android : Use Navigator while boating and sailing to store and map nautical waypoints and routes, calculate distances and bearings between waypoints, display your current location, and display a compass indicating the bearing from your location to your next waypoint.

See http://home.comcast.net/~markcj62/navigator/ for details on how to use Navigator.

Google™ Navigation icon has disappeared?
Don't worry, try my app to start gps navigation quickly and easily!
This app starts "google™ maps™ app" in navigation mode directly.

This application does not use any "Google API", but simply starts "Google™ Maps™ Application" if installed on the device.
Google™ Maps™ & Google™ voice must be installed to work.

If your device has a version of Android lower than the 4.0 you do not need this app.

*If in doubt, try the free version first.

Awesome navigator for metro of different cities around the world. All maps are interactive, relevant and attractive. Complete list of maps see below at this description.

★ Highlights ★

✔ NEW: NFC-Plugin for read tickets of Moscow metro;
✔ Trains timetables(L.A.,Msk,Spb,Kiev,D.C.,NY,London,Athens);
✔ Search for closest metro station to location in the city. For example, you can find station nearby to Red Square. You can as well find closest station to Big Ben in London, to Eiffel Tower in Paris, etc..;
✔ Search for closest station using GPS;
✔ Prompt which metro car to take to exit to the city or change the line (NYC, Moscow, SPb, Kiev, London, Barcelona, Paris, Munich);
✔ Easy controls. You can get a route in few clicks;
✔ Voice search – search for stations, routes, POI;
✔ Tourist's POI – cafés, night clubs, cinemas, shops and other places of interest nearby to metro stations;
✔ Airports and railway stations located on the map;
✔ Send your route as text via SMS or as picture via Email;
✔ Favourite stations, routes and closed stations;
✔ Schemes of stations for some maps;
✔ Metro maps of many cities around the world in single app;

Additional features for metro which are covered by GSM network or Wi-Fi:

✔ Current location on metro plan;
✔ Voice prompts while navigating;
✔ Start station is chosen automatically;
✔ Reminder to exit the train;

Available metro schemes:

★ USA ★
1. New York
2. Washington
3. Los Angeles County

★ United Kingdom ★
1. London tube
2. London tube + National Rail in Z1-6

★ Russia ★
1. Moscow
2. Saint Petersburg
3. Ekaterinburg
4. Kazan
5. Nijniy Novgorod
6. Novosibirsk
7. Samara

★ Spain ★
1. Madrid
2. Barcelona
3. Valencia
4. Seville

★ Canada ★
1. Toronto

★ France ★
1. Paris

★ Republic of Singapore ★
1. Singapore

★ Ukraine ★
1. Kiev
2. Kharkiv
3. Dnepropetrovsk

★ Belarus ★
1. Minsk

★ Germany ★
1. Berlin
2. Munich
3. Nuremberg

★ Mexico ★
1. Mexico

★ Brazil ★
1. São Paulo

★ Czech Republic ★
1. Prague

★ Japan ★
1. Tokyo
2. Osaka

★ Greece ★
1. Athens

★ South Korea ★
1. Seoul

★ China ★
1. Hong Kong
2. Beijing
3. Shanghai
4. Guangzhou

★ Italy ★
1. Rome
2. Milan

★ Sweden ★
1. Stockholm

★ India ★
1. Delhi

REQUIRED PERMISSIONS:

* CHANGE YOUR AUDIO SETTINGS
It is necessary to mute the player in headphones, when the program announces current station's name by the voice

* COARSE (NETWORK-BASED) LOCATION
To determine current location by GSM transmitters of mobile operators

* FINE (GPS) LOCATION
To find the nearest station in the city

* FULL INTERNET ACCESS
Download train timetables, info about metro service status, information about time of the next train

* READ PHONE STATE AND IDENTITY
For information on the current GSM or Wi-Fi cell. Binding license to Market

* MODIFY/DELETE USB STORAGE CONTENTS MODIFY/DELETE SD CARD CONTENTS
Saving navigation data on SD-card. Saving current route as picture on SD-card to send to a friend.

* PREVENT DEVICE FROM SLEEPING
Prevent phone from sleep when uses navigation

* CHANGE WI-FI STATE
To find Wi-Fi spots on subway stations and determine current user location in the underground (activated only if you allow to use Wi-Fi in phone settings)

Marine Navigator is an offline navigator using raster navigational charts (RNC's) to plot your position in real time. This way you can navigate with true copies of official paper charts on your mobile device. This full version of the Marine Navigator provides besides the functionality of the lite version the following enhanced functions:
* automatic chart switching depending on current position and zoom level
* scrolling through all charts available for the current location by "press and hold" zoom buttons
* display of number of available charts for current location in the zoom buttons
* display of outlines of installed charts in active chart
* chart rotation (True North, True Course, Compass Heading, original chart orientation)
* support of non-mercator projections (Polyconic, Transverse Mercator, UTM, ...) by polynomials
* support of geodetic datum other than WGS84/NAD83 by applying northing and easting
* tracks, way points, routes
* follow route automatically
* intuitive route editor
* gpx import and export of waypoints and routes
* gpx export of tracks
* recording of tracks in active and standby mode
* compass (magnetic heading, true heading, true north indicator)
* different dashboard layouts (basic data, detailed route data, detailed GPS data including graphical status info)
* Man Over Board (MOB) functions
* import and storage of installed charts in external folders
* support of encrypted charts including activation via EMAIL
* switching between chart sets (support of large number of installed charts)

Marine Navigator doesn't come with pre-installed nautical charts. Instead it is able to import BSB/KAP raster navigational charts or to use native Marine Navigator MNX-charts (see menu->help for instructions). BSB/KAP charts are available for free download on the Internet:
* http://www.nauticalcharts.noaa.gov/mcd/Raster/index.htm (Suite of NOAA nautical charts that covers the coastal waters of the U.S. and its territories)
* https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartas_eletronicas_Internet.htm (Suite of DHN nautical charts that covers the coastal waters of Brazil and its major rivers)
* http://www.linz.govt.nz/hydro/charts/digital-charts/nzmariner (NZMariner is the product name of New Zealand's Official RNC folio.)
* http://www.openseamap.org (Openseamap charts are based on Openstreetmap data enriched with additional nautical information. The charts cover selected european coastal waters).
Native Marine Navigator MNX-charts are offered by selected chart distributors:
* http://www.visitmyharbour.com (Chart sets for UK/IRL and IBERIA derived from official UHKO charts. These charts are not free. Further regions are coming).

Try before you buy: You can test the basic functions of Marine Navigator by downloading Marine Navigator Lite. If you like the app and are looking for a comprehensive set of navigational functions purchase this full version.

City Navigator Maps(c). Cyprus Offline GPS Navigator (Onboard GPS car directions navigator).
Cyprus Offline GPS Navigator is a mobile navigation application with vector OpenStreetMap (OSM) maps. All map data (vector maps) is stored on the phone memory card for offline usage.

Cyprus Offline GPS Navigator supports offline routing functionality including turn-by-turn voice guidance.
Cyprus Offline car navigation system will display your position on a map (in bird-view mode) from GPS sensor data, and provides precise route calculation, touch screen functionality and supports Points of Interest (POI).

Unlike other navigation systems, City Navigator Maps(c). Cyprus Offline GPS Navigator maps are rendered in real time from vector data.

The app is completely offline and works without an internet connection.

Main features of the app:

- FAST, EASY and FULLY OFFLINE VECTOR MAPS
- Complete offline functionality (store downloaded vector maps in the phone memory)
- Compact offline HIGH DETAILED 17x ZOOM vector maps
- GPX and navigation tracks support
- Offline search for addresses and places (POIs)
- Offline routing
- Points of Interest, favorites, public transportation stops
- Car, bicycle, and pedestrian modes
- Day/Night view modes
- Lane guidance, speed limit display
- Speed-dependent map zooming
- Map alignment according to compass
- Spoken directions in many languages

City Navigator Maps© contributes to and uses OSM and Wikipedia open source projects (http://www.citynavigatormaps.com).

Keywords: OSM, vector, maps, offline, gps, map, car, navigator, poi, gpx, compass, directions, route, road, way, openstreetmaps

Wisepilot is an easy-to-use online driving companion packed with all kinds of premium content, like turn-by-turn navigation, updated traffic and speed alerts. Automatic map updates at no additional charge and very low data consumption help to make Wisepilot a neat as well as cost-efficient application.

Free Trial
As a new user you will get a free 5 day trial allowing you to try out all available Wisepilot features. After the trial you may choose to either only use the free features or purchase one or more of the available add-ons in the shop for a premium navigation experience. This flexible solution allows you to customize Wisepilot to suit your specific needs.

When using the free features of Wisepilot you will always know where you are, you may search for any destination in the world and see an overview of your route on the world-wide map.

Flexible Add-Ons For A Premium Experience
To further enhance Wisepilot the following add-ons are available for purchase in the in-app Shop (and also included during the trial):

• Turn-by-turn navigation, including:
- Voice guidance - Reach your destination with detailed instructions
- Lane assistance - Get in the right lane when approaching a junction or intersection
- Junction views - Prepare your motorway exit with a detailed image
- Speed limits - See current speed limits on your route and get alerted if you exceed the limit

• Speed cameras - See all speed cameras nearby on the map and get alerted when you approach one while driving

• Live traffic - Plan your trip with up-to-date traffic info to avoid queues, closed roads and other traffic incidents (can be used both with or without navigation)

• My maps - Download and store country maps on your phone to significantly reduce data usage, helpful both at home and abroad (Please note! Offline use only applies to downloaded map data, not navigation)

Please note that some features are only available in certain countries, check availability in the in-app Shop.

How To Move Wisepilot Between Devices
Send a message to the Wisepilot support staff including the Wisepilot user ID or IMEI from your old device as well as the IMEI of your new phone and they will help you transfer the account and license.

Customer Support
support@wisepilot.com
http://www.appello.com/forum

More Info About Wisepilot
http://www.appello.com/wisepilot
http://www.youtube.com/appellosystems
https://www.facebook.com/appellosystems

Google™ Navigation icon has disappeared?
Don't worry, try my app to start gps navigation quickly and easily!
This app starts "google™ maps™ app" in navigation mode directly.

This application does not use any "Google API", but simply starts "Google™ Maps™ Application" if installed on the device.
Google™ Maps™ & Google™ voice must be installed to work.

If your device has a version of Android lower than the 4.0 you do not need this app.

Tested on: Samsung Galaxy S3, Samsung Galaxy S2, Samsung Galaxy S3 Mini, Samsung Galaxy Note, Samsung Galaxy Note2, Samsung Galaxy S4, Galaxy Mega 6.3, Google Nexus 4, HTC Sensation XL, Optimus L9, Galaxy Nexus, Nexus 7, HTC Desire X, Droid DNA, Xperia SL, Optimus L5, Galaxy S2 Plus

Standard navigation apps are designed to find the most direct route from point A to point B. Track Navigator is a different kind of navigation app that is designed to help you follow a pre-determined route (track) created for another purpose, such as exercise or sight-seeing. Common types of tracks include hiking trails, cycling tours, or motorcycle rides. With Track Navigator, you can:

• Find nearby tracks or import your own
• Examine the track on a map or as a list of waypoints
• Use GPS to chart your progress following the track
• Automatically determine the next waypoint on the track
• Receive voice prompts as you approach waypoints on the track

Track Navigator supports importing tracks directly from http://www.ridewithgps.com. Find nearby tracks or create your own and import them directly into Track Navigator. Tracks created using ridewithgps.com can be configured with waypoints that will provide turn-by-turn directions. Receive directions using voice prompts or view them in cue sheet format.

You can also create tracks using any other application, save them to your external storage, and import them directly into Track Navigator. Track Navigator supports importing files in GPX and TCX formats.

Other features of Track Navigator include:

• Support for metric and imperial distance units
• Highlight portions of the track that have been covered
• Voice notifications when going off track
• Display covered and remaining track distance in real-time
• Option to view satellite map
• Load individual waypoints into Google Maps for direct navigation

Many more features on the way. Stay on track with Track Navigator.

The voice navigator "I go home" - the program which will help you to return to any point (Home).
When you travel on foot in forest, desert and other district where there are no roads, there are no reference points and usual navigation programs won't help, the voice navigator "I go home" - your choice.
Simply turn on the program when you start travel and when time will come back - turn on the program once again and listen to voice instructions.
The program will talk how to return you a starting point - "Home".
Smartphone can be in a pocket not to lose him. The program will talk all the same.

A no-nonsense navigator intended for navigating in the city where GPS reception is poor.

Outperforms other GPS navigation applications when on foot.

Change the way you explore. Trimble Outdoors Navigator is free GPS navigation and mapping app for all your outdoor and backcountry adventures.

This app is BEST FOR: GPS route finding; map and compass navigation; topo maps; recording trips like hiking, camping, paddling, ATV riding, offroading, snowshoeing and backcountry skiing.

***Try our free app but also consider our PRO app with even more features, including:

MAP CACHING: Save maps to your device for viewing while on those trips in remote areas where there are no cellular or data signals. Get exclusive access to free MyTopo maps, including more than 68,000 topo maps in US and Canada, as well as aerial, terrain, street and hybrid maps.

MAP PACKS: Create a map pack for your adventure that includes customized map types and zoom levels.

TAKE VIDEO: Record videos from your device that are automatically geo-tagged to your location.

YOUTUBE INTEGRATION: Send your trail videos directly to YouTube to share with the world.

MORE COORDINATES: Convert coordinates to UTM and NAD 27 map datum.

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** START WITH GREAT MAPS **

• View five different map types: streets, hybrid, aerial, topo and terrain.
• Get exclusive and enhanced topo maps from MyTopo. Access more than 68,000 topo maps in US and Canada that are seamlessly stitched together for fast and easy viewing. Topos scales are 1:24K in the Lower 48, 1:63K in Alaska and 1:50K in Canada.
• NEW: Plug in statewide topo maps into your Android with our new SD cards. Learn more at: http://www.trimbleoutdoors.com/SDCards/

** POWERFUL NAVIGATION TOOLS **
Digital Compass: Navigate with digital compass. Choose between: Magnetic North and True North.
Waypoints: Mark waypoints like trailheads, summits, important turns, and campsites on to the map. Add names and detailed descriptions. Go to previous marked waypoints too.
Tracks: Track your route on the map.
Goto: Use the Goto feature to navigate from your current location to a waypoint.
Guide Trips: Use trips previously recorded by you or others to help guide you on the trail, on remote backroads, and more.

** CHRONICLE YOUR ADVENTURE **
Capture Media: Take geo-tagged photos and audio clips of your trip
Stat Tracking: See 10+ adventure stats, such as distance, speed, elevation and more
Share with Friends: Share your adventure on Facebook, Twitter, and TrimbleOutdoors.com
Trips: Access to thousands trips around the U.S. and Canada

** SAVE TO THE TRIP CLOUD **
Register a free account to save your outdoor trips to our Trip Cloud. Benefits include:

• Store and backup unlimited trips. Never lose files again.
• Auto-sync trips between your computer, Android and iPad.
• Enhance trips from Trimble Outdoors Navigator with map tools at trimbleoutdoors.com, including .gpx import, geo-tagged photos and videos, turn-by-turn routes and more. (requires membership)
• Open trips in our iPad trip-planning app, Trimble Outdoors MyTopo Maps.
• Share and exchange trips with the Trimble Outdoors community or privately between outdoor friends.

** LEARN MORE **
Visit our website and check out thousands of trips submitted by the Trimble Outdoors community. Click over to: trimbleoutdoors.com.

Feedback Wanted: Found a bug? Want a new feature? Drop us a line on our Facebook page, facebook.com/trimbleoutdoors.

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Note: Trimble Outdoors Navigator is designed for Android phones, not tablets. Continued use of GPS running in the background can dramatically decrease battery life.

Cellcom Navigator - new version, custom made for your Android device. The best navigation experience available!

Cellcom Navigator would help you navigate, by car or by foot, in Israel and abroad, to any address or desired location.

Huge locations data base: Yellow Pages, Rest.co.il, Mapa internet data base and thousands of leisure events, constantly updated.

During the voice guided Navigation you will receive alerts for traffic jams and speed cameras. Street names will be part of the voice instructions.

The new version supports 4 languages: Hebrew, English, Russian and Arabic.

Main features:
- In car and pedestrian full navigation
- Speed cams and jams alerts
- Voice instructions including street names
- Integration with Pango- park and go via your mobile
- Huge POI data base: Yellow Pages, Rest.co.il, events and more
- Languages support: Hebrew, English, Russian and Arabic
- Supporting navigation out of Israel in Europe and North America (Additional fee)

Cellcom Navigator is supported on Cellcom's Android devices.

Navigator is the most popular city guide that helps you discover streets and popular places in Sarajevo.

The new Navigator represents a new visual identity, a new concept and a new powerful platform. The new powerful platform has been used to develop native mobile apps.
Integration with popular social networks such as Facebook, Twitter, Google+, Pinterest and Foursquare is also included in the new version.

The new platform also delivers fresh content that includes over 1300 streets and over 3000 popular places within the city as part of our first beta launch.

Important Note: App requires an in-built GPS receiver.

Celestial Navigator is a must have app for mariners and any other person interested in celestial navigation.
It features a rise set and merpass calculator, a line of position and compass error including gyro calculator , a celestial fix calculator (with auto run up and dead reckoning),an almanac of sun,moon,planets and 58 navigational stars.It supports the three most widely used navigational methods for calculation of lines of position i.e. intercept,long by chronometer and latitude by meridian altitude.
It also features a true wind calculator (giving wind speed and direction,dew point and relative humidity),an eta calculator (multiple results are shown at a time depending upon the user settings),a sailing calculator featuring great circle and Mercator sailing calculators along with intermediate point calculator.
It also displays the device's position(lat,long,speed,cog) from the GPS and the compass heading.
The accuracy of the results displayed has been thoroughly tested with the US navy website, the nautical almanac of 2013.The results are with in 10-15 seconds which is accurate enough for sea.
Please read the help carefully.

The app contains can export the almanac data and celestial observations data to the external SD card.

Tags: celestial, navigation, wind, sail, marine, line of position, eta,almanac, sun, moon,rise,set,merpass.