Joe,

What tracking program is that?

I was thinking of making my satellite icons configurable.  This way the 
satellite would look like the actual satellite.  Even better, I could store 
collada models for them and load them in place of the icon.  Oh la la, that's 
an idea.

Joseph Armbruster


On Mar 26, 2013, at 7:58 AM, Joe Fitzgerald wrote:

> On 3/25/2013 6:42 PM, Ken Ernandes wrote:
>> 2.  If you decide to give the users the ability to input their location, 
>> them the option to provide either a single minimum elevation angle or a 
>> local map -- i.e., 360 individual minimum elevations as a function of 
>> Azimuth.  It's much easier to project this and the user is generally 
>> interested in an unobstructed LOS with respect to his/her location.
>> 
>> 
> 
> It's not the best resolution but in the image below, you can see how there 
> are "cut outs" in the circles surrounding NASA's ground stations - the 
> software has clearly implemented the idea Ken outlined above.  For example, 
> there is apparently some obstruction to the south east of the Hawaiian 
> tracking station.  If the sub-satelite point is inside the white line it's 
> AOS.  The surface of the earth visible to the shuttle, on the other hand, is 
> simply a red circle, just faintly visible in this image.
> 
> http://vault.newsfromspace.com/missions/sts114/STS114_land-5.jpg
> 
> -Joe KM1P
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