You need three things to navigate by GPS and they are (1) A network of satellites broadcasting the current time; (2) a receiver that can interpret the signal from several satellites to determine location, and (3) a digital zoomable map to display the current location and calculate routes to other locations.

Until recently the maps and routing information had to either (1) purchased as a complete package for Costa Rica from Garmin, Navsat etc. or (2) downloaded a bit at a time for the area of interest using a cell phone.

Option one was expensive with map and data package purchase. Option two could also be expensive because zoomable routing maps are big and phone data can be costly. Downloading was also unreliable because the most likely place to be lost (the middle of nowhere) was also the most likely place a phone would display no service. Now you can have the best of both worlds for free.

Most tablets and smart watches have built-in GPS receivers and now Google provides an excellent map and routing package for free download. Once you save the Google offline map package you can use your device to navigate even when there is no …

  • Approximately 4 1/4" x 9 1/4" folded; 25.5" x 37.75" fully opened
  • Scale = 1:37,700
  • Map Revised - 2009
  • Features Included: all of Zion National Park, Zion Narrows with a companion hiking timetable, plus Kolob Canyons, La Verkin Creek Trail, Hop Valley Trail, Wildcat Canyon, the West Rim Trail, and more. The South side of the map details the park headquarters, Floor of the Valley Road, East Rim Trail, Telephone Canyon Trail, and the Virgin River.
  • Waterproof
• Waterproof • Tear-Resistant • Topographic MapExplore the beauty and geological wonder of Utah’s first national park with National Geographic’s Trails Illustrated map of Zion National Park. Created in partnership with local land management

List Price: $ 11.95 Price: $ 6.43


Overview
Laminated and spiral bound Motor Carriers Road Atlas for heavy-duty users
The #1 selling trucker's road atlas in North America is as tough as the rig you're driving. With its laminated pages and spiral binding, the Deluxe Motor Carrier

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  • Price For: Each Manufacturer: Adafruit Product Category: RF Development Tools RoHS: Product: Breakout Boards Type: GSM/GPRS, GPS Tool Is For Evaluation Of: SIM808 Frequency: 850 MHz/900 MHz/1.8 GHz/1.9 GHz Operating Supply Voltage: 2.8 V to 5 V Brand: Adafruit Description/Function: FONA 808 - mini cellular GSM - GPS breakout Dimensions: 44 mm x 43 mm x 8 mm
  • For Use With: MT3336 Interface Type: UART, USB Packaging: Bulk
RF Development Tools Adafruit FONA 808 - Mini Cellular GSM + GPS Breakout

Price: $ 53.99

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