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Project loon
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3. WHAT IS PROJECT LOON?
Project Loon is a network of balloons traveling on the edge of space, designed to connect
people in rural and remote areas.
It is an initiative taken by Google to provide internet access all over the world.
Sending balloons to Stratosphere to deliver internet globally
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6. HISTORY
In 2008,Google considered contracting Space Data Corp, but didn’t do so.
In 2011, the unofficial development of the project began under Google X Labs.
14 June 2013, Google announced this is an official project.
16 June 2013, A pilot experiment happened in New Zealand and about 30 balloons were
launched.
7. THE PILOT TEST
Project Loon began with a pilot test in June 2013 with an experimental pilot in New Zealand. A
small group of Project Loon pioneers will test the technology in Christchurch and Canterbury.
30 balloons, launched from New Zealand’s South Island.
The experience of these pilot testers will be used to refine the technology and shape the next
phase of Project Loon.
8. THE TECHNOLOGY
The signal bounces from balloon to balloon, then to the global Internet back on Earth.
9. STRATOSPHERE
Situated between 10 km and 60 km altitude on the edge of space.
Air pressure is 1% of that at sea level.
Thinner atmosphere offers less protection from the UV radiation and temperature caused by
the sun’s rays.
11. ENVELOPE
Project Loon’s balloon envelopes are made from sheets of polyethylene plastic and stand
15 meters wide by 12 meters tall when fully inflated.
A parachute attached to the top of the envelope allows for a controlled descent and landing
whenever a balloon is ready to be taken out of service.
12. SOLAR PANELS
Each unit’s electronics are powered by an array of solar panels that sits between the envelope
and the hardware.
In full sun, these panels produce 100 Watts of power - enough to keep the unit running while
also charging a battery for use at night.
By moving with the wind and charging in the sun, Project Loon is able to power itself using
only renewable energy sources.
13. EQUIPMENT
A small box containing the balloon’s electronic equipment .
This box contains circuit boards that control the system .
Radio antennas to communicate with other balloons and with Internet antennas on the
ground .
And batteries to store solar power so the balloons can operate during the night .
14. HOW LOON CONNECTS
Each balloon can provide connectivity to a ground area about 40 km in diameter at speeds
comparable to 3G.
Each balloon is equipped with a GPS for tracking its location
15. HOW LOON CONNECTS
Three radio transceivers.
balloon-to-balloon communications.
balloon-to-ground communication.
third for backup.
The balloons use antennas equipped with specialized radio frequency
technology.
Project Loon currently uses ISM bands that are available for
anyone to use.
16. ADVANTAGES
Easy to use.
3G Speed.
Increasing Internet usage.
Solar powered, Above all weather, charge lithium packs for night.
