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by spacebahd


canadian space news

#OTD: Canadian satellite Alouette-2 launches to study ionosphere—mission details & FAQs


November 29, 1965: Canada's second satellite Alouette 2 launches to study the ionosphere. Refurbished from the back-up model of the Alouette 1, Alouette 2 was active for almost 10 years from November 1965—August 1975.

by spacebahd


#OTD: Canadian satellite Alouette-2 launches to study ionosphere—mission details & FAQs

by spacebahd


Alouette 2 launched on November 29, 1965 aboard a Thor-Agena B rocket. Built from the back-up model of the Alouette 1, Alouette 2 was designed to further explore the ionosphere—a region of our atmosphere that influences radio frequencies around the world.

thor-agena b rocket january 13 1962
A Thor Agena rocket. January 13, 162. source: wikipedia 

Alouette 2 FAQs

 When did the Alouette 2 launch? 

November 29, 1962

What vehicle did the Alouette 2 launch from?

Thora Agena B rocket

What was the purpose of the Alouette 2 satellite?

To study the ionosphere 

How long was the Alouette 2 active?

10 years: Nov 29, 1965 - August 1, 1975

  • reactivated November 28 & 29 1975 to obtain data for 10th anniversary

What was the difference between Alouette 1 & Alouette 2?

  • additional probe experiment 

  • expanded sound frequency range

  • plates installed on 23m antenna to correct de-spin from Alouette 1

Who built the Alouette 2?

RCA Montreal

What satellite came after the Alouette 2?

ISIS 1 & ISIS 2

 

Alouette 2 was the first of 3 additional projects between Canada and the U.S, through the International Satellites for Ionospheric Studies (ISIS) program featuring the ISIS 1 & ISIS 2 Satellites. At one point, the Alouette was named ISIS-X!

Looking for more Alouette information?

Check out Polyus Studios thorough and design-friendly summary of both Alouette satellites, and the birth of the Canadian Space Program

sources

https://www.asc-csa.gc.ca/eng/satellites/alouette.asp

https://www.asc-csa.gc.ca/eng/satellites/isis.asp

https://web.archive.org/web/20080706151008/http://www.astronautix.com/craft/alouette.htm

https://web.archive.org/web/20080720133444/http://www.astronautix.com/lvs/thogenab.htm

https://en.wikipedia.org/wiki/Alouette_2

https://en.wikipedia.org/wiki/ISIS_(satellite)

http://www.friendsofcrc.ca/Projects/Alouette/alouette.html