Why Space Matters: HEO Satellite Operations, Part 3–What’s the Frequency, Komrade(th)?

The previous lesson left you hanging, maybe even perturbed, with the question of why anyone would want to use a satellite in a highly elliptical orbit (HEO).   After all, a HEO satellite requires a ground station or two with a moveable (steerable) antenna to speak to it (or the satellite’s antenna has to be gimbaled […]

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Space, Transparency, and MH370

The Atlantic’s Ari Schulman has a terrific explanation regarding Inmarsat’s analysis of the “pings” their geostationary satellite received from Malaysian Airlines flight 370.  Of more interest, the article also talks about why Inmarsat’s analysis may be incorrect.  There are some puzzling problems with the data Inmarsat produced.  The “ping” doppler values appear to be positive, […]

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Why Space Matters: GEO Satellite operations, Part 5.5–Indian GEO Flight Plan

Just a short blurb for you about a really great blog post from Planetary.org.  It’s definitely related to The Mad Spaceball’s GEO lesson series on this site.  I think it’s better written.  I wanted to provide, at the very least, the link for this post, titled “How to get a satellite to geostationary orbit”. As you […]

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