Worldwide Satellite Signaling

Calling Out Around the World

Use the Iridium satellite network to communicate with your projects anywhere they can see the sky.

Written by Mikal Hart

MODERATE

Time Required: 1–2 Hours Cost: $300–$400

Link three boards to build a global tracking beacon.

Materials

» RockBlock satellite modem Available in noncommercial, commercial, bare-board, and waterproof ruggedized forms from Rock Seven Mobile Services, rock7mobile.com

» Arduino Nano or compatible 5V microcontroller

» GPS module such as Adafruit Ultimate GPS Breakout, Maker Shed #MKAD57, makershed.com

» USB cable to fit your microcontroller

» Breadboard (optional)

» USB external battery pack (optional)

Tools

» Computer PC, Mac, or Linux. Laptop preferred.

If you’re ...

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