The Alouette/ISIS photographs

Click to view larger image A view of the Alouette satellite showing the four telemetry antennas and two of the four STEM (Storable Tubular Extendible Member) sounding antennas, which were deployed on orbit. The satellite is about one metre in diameter.
Click to view larger image The Alouette/ISIS tracking antenna
Click to view larger image The antenna construction site
Click to view larger image The erecting of the antenna base
Click to view larger image The erected Alouette/ISIS tracking antenna
Click to view larger image The photograph taken in 1974 shows the Alouette/ISIS tracking antenna (on the right), a yagi array antenna of the earier generation and a dish antenna of the later design (on the left)

Acknowledgement:
The photos are courtesy of Communications Research Centre.
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