![]() ![]() Your iPhone has four different radios - cellular, GPS, bluetooth, and wi-fi. Without the iPhone GPS, many features of Halfmile’s PCT app will not work. Unlike most Android phones, the iPhone disables the GPS (and all the other radios) when Airplane Mode is turned on. The Airplane mode switch is found under Settings > Airplane Mode. Many hikers will keep their iPhone in Airplane Mode to conserve battery life and only disable Airplane Mode briefly when the GPS is needed to determine your location. This is especially true when the iPhone is in fringe reception areas with weak cell phone signals where the iPhone cellular radio’s use the most power. Using the iPhone GPS will shorten the battery life of the iPhone. Diagram mode is found under the “Where am ?” window. B圜row is also sometimes helpful for locating landmarks (such as water sources) that may be located a short distance off the trail.ĭiagram Mode displays the Pacific Crest Trail and Halfmile landmarks as a diagram map along with your current location. In B圜row mode the app displays the distance and compass bearing (as the crow flies) to PCT landmarks. ByTrail mode only works when you are actually on (or very near) the trail.ī圜row Mode is used if you are not actually on the Pacific Crest Trail. The app also calculates the distance along the path of the PCT to landmarks to your north or south. The iPhone GPS calculated your exact location to the nearest 1/100th of a mile. The Halfmile app is available as a free download from Apple’s iTunes app store.īyTrail Mode is like a location aware digital data book. No extra downloads of data are required after the Halfmile PCT app is installed on your iPhone. The app works in areas without cell phone service. ![]() Should a hiker stray off-trail, the app includes a live trail diagram to aid navigation back to the trail. The app uses the iPhone’s GPS to determine your location and calculates trail distances to 3,100 PCT landmarks along or near the PCT. Halfmile’s PCT app is a companion app to Halfmile’s Pacific Crest Trail printed map set to aid navigation on the PCT. ![]()
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