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 […]Read More Why Space Matters: HEO Satellite Operations, Part 3–What’s the Frequency, Komrade(th)?
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, […]Read More Space, Transparency, and MH370
This is more of a **yawn** for me, as I’m not the biggest sports fan in the world. Maybe not even the millionth biggest. But there are a lot of people who inexplicably are–especially those soccer (“football” for everyone not in the US) fans. Good news then, for those fans: satellites and frequencies have been […]Read More Why Space Matters: 2014 FIFA World Cup–30,000 Hours of It
Brian Weeden, from The Space Review, has written up a fairly well thought-out and long story about the May 2013 launch of a “sounding rocket” (according to the Chinese) from Xichang Satellite Launch Center. The story, posted on 17 March 2014, gives some pretty good reasons to suspect that perhaps the Chinese were not telling […]Read More A Chinese Direct Ascent GEO AntiSatellite Test in 2013?
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 […]Read More Why Space Matters: GEO Satellite operations, Part 5.5–Indian GEO Flight Plan