【實用旅遊app】Polaris Navigation GPS|最夯免費app

Turn your phone into a powerful navigation system with Polaris Navigation GPS, the world's #1 off road navigator for smart phones.

Imagine... What would it be like to be able to navigate any wilderness, waterway or city with only your phone and a view of the sky? What it would be like to create navigation destinations without the need of an internet connection and find them using only an arrow or offline maps.

That is just a glimpse of the navigational power you will hold in your hands when you install Polaris Navigation GPS.

While this app is used mainly for offroad navigation and navigating trails, it can be used for city street navigation as well. This complete navigation package includes online and offline maps, a panel for all standard GPS parameters, odometers, altimeters, speedometers as well as trail and waypoint navigation protocols. Also included in this immense tool-set:

★ No subscription fees. Does not require any special accounts.

★ A Robust waypoint management system for setting and locating your targets.

★ Trail recording and viewing- Trails can be viewed as they are recorded or later on aerial or standard maps.

★ Select map source (Google Maps, OpenStreetMap-Mapnik, Maps from Mapquest, Cycle Route Maps).

★ Cache map data for offline use where you might not have a network connection.

★ GPS Satellite Diagnostics show the location of the GPS satellites relative to your position and graphs each satellite's signal strength.

★ A waypoint navigation system which includes a dynamic waypoint-finding compass that will help you navigate to any saved waypoint with certainty while reporting estimated time of arrival, distance to target and other statistics.

★ Trail navigation system.

★ Email / SMS location data including maps showing your position.

★ Supports many coordinate formats including latitude/longitude as degrees, deg:min, deg:min:sec, Military Grid Coordinate Reference System (MGRS), and UTM coordinates.

★ Customizable unit reporting including support for marine navigation.

★ Select source for altitude reporting: Satellites, United States Geologic Survey or Mapquest's Altitude Service.

★ Turn-by-turn voice directions and route maps are included for navigating roads.

★ Data protection System- Your data is backed up regularly meaning you will not lose your progress should your battery need replacement while en route to your destination.

★★ A Great Navi GPS for Hiking, Boating, Fishing, Hunting, Geocaching, Camping, Sailing, Mountain Biking or wherever your outdoor activities take you!

★ Additional Screenshots at:

http://www.gps4free.com

★

★ NEW ★

v.6.70- Customizable look

v.6.60- Waypoint Calculator

v.6.50- New map types

v.6.30- Added dynamic navigation indicators to all the waypoint and trail maps.

v.6.22- Background Trail GPS recording option now available.

v.6.12- Added auto-center controls to trail navigation screen.

v.5.90- Corrected compass issue affecting tablets whose default orientation is landscape.

v.5.81- Added magnetic compass sensitivity controls and an option to hide the on-screen menu bar.

v.5.70- Send waypoint and trail data directly to GPS Waypoints Navigator

v.5.50- Waypoint photography

v.5.41- CREATE YOU OWN MAPS FOR OFFLINE NAVIGATION. INSTRUCTION VIDEO AT:

http://www.youtube.com/watch?v=Y3RtFvPna1A

v.5.40- Added Map Search and Coordinate Conversion capabilities with the new MapIt plug-in.

v.5.32- Maps now viewable in landscape mode.

v.5.20- Added more map types and made it easier to switch from one map type to another. All new map types can be cached for offline use.

v.4.90- Added MGRS (military grid reference) coordinate system and power saving options.

v.4.80- Offline maps and alternate map sources for backcountry navigation.

v.4.54- UTM Coordinates

V.4.50- Improved compatibility for marine navigation with addition of nautical units and coordinates

V.4-Multiple altitude sourcing- Satellites, US Geo Survey and Mapquest.

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