I have tried to find a few more info. Here is what I found.
http://www.absoluteastronomy.com/topics/SPG-9
http://www.janes.com/extracts/extrac.../jaau0045.html
http://www.orteh.com/eng/products/ca...e/books/12.php
That's no much more. The first one is identical of what you'll find in the wiki. The last is simply an advertisement for a book but who knows.
If you want to know more on the Jane's wait until I win the Loto. If I do, I'll be willing to spend a lot of money into it. Until then, one book represents at least a full month salary so I'll keep dreaming.
