http://www.codecodex.com/wiki/Calculate_Distance_Between_Two_Points_on_a_Globe
http://en.wikipedia.org/wiki/Haversine_formula
http://www.movable-type.co.uk/scripts/latlong.html
http://www.seeedstudio.com/depot/27-ePaper-Panel-p-1596.html
http://www.dx.com/p/arduino-1-6-lcd-display-screen-for-nokia-5110-red-silver-140226#.VQWuE-HUiK1
http://www.dx.com/p/replacement-1-6-lcd-screen-with-blue-backlight-for-nokia-5110-blue-145860#.VQWuIeHUiK1
http://www.dx.com/p/xs055-diy-1-6-240-x-320-tft-lcd-module-red-265804#.VQWuGeHUiK1
http://www.pocketmagic.net/nmea-gps-library-for-avr-microcontrollers/
http://www.nongnu.org/avr-libc/user-manual/pgmspace.html
http://www.adafruit.com/products/746
http://www.adafruit.com/products/326
http://www.kiwi-electronics.nl/Monochrome-0-96-inch-128x64-OLED-graphic-display
http://www.adafruit.com/products/1463
http://www.gpsinformation.org/dale/nmea.htm
https://learn.adafruit.com/kaleidoscope-eyes-neopixel-led-goggles-trinket-gemma/software
http://www.nongnu.org/avr-libc/user-manual/group__twi__demo.html
http://avrhelp.mcselec.com/index.html?atxmega128a4u.htm
http://en.wikipedia.org/wiki/Chip_select
https://deathpod3000.wordpress.com/2009/04/06/adding-an-i2c-compass-to-the-avr-atmega32/
http://maxembedded.com/2013/11/the-spi-of-the-avr/#Pin_Description
http://www.dejazzer.com/ee379/lecture_notes/lec12_sd_card.pdf
http://www.avrfreaks.net/forum/gps-location-calculation?name=PNphpBB2&file=viewtopic&t=116588
http://www.mathsisfun.com/geometry/unit-circle.html
http://www.mathsisfun.com/geometry/radians.html
https://deathpod3000.wordpress.com/2009/04/30/how-to-calculate-distance-and-bearing-to-a-latitude-longitude-waypoint-in-excel/
http://aprs.gids.nl/nmea/
http://www.codecodex.com/wiki/Calculate_Distance_Between_Two_Points_on_a_Globe
http://www.movable-type.co.uk/scripts/latlong.html
http://www.nongnu.org/avr-libc/user-manual/group__avr__eeprom.html
http://www.eye4software.com/hydromagic/documentation/supported-map-grids//
http://williams.best.vwh.net/avform.htm
http://gpsman.sourceforge.net/manual/html/GPSMandoc_28.html
http://ultra-embedded.com/fat_filelib
http://elm-chan.org/fsw/ff/00index_e.html
https://www.pjrc.com/tech/8051/ide/fat32.html
http://electronics.stackexchange.com/questions/158475/shut-down-atmel-%C2%B5cs