[amsat-bb] Re: Smartphone app antenna pointing???
mtseverin at gmail.com
Fri Dec 28 20:51:30 PST 2012
Satellite AR works like goggle sky maps with the point and identify
feature. I played with it a while ago and just downloaded it again. It's
free and in the Android market. Maybe it will work for you. I'm not sure
if it's all that you want...
On Dec 28, 2012 11:39 PM, <tosca005 at umn.edu> wrote:
> I am not aware of such an app for the Android platform, at least not for
> artificial communications satellites.
> Google Sky Map will do that for the Moon, but "Oscar Zero" moves through
> the sky much more slowly than the Ham sats (as you well know). And even
> though having the phone point you to a slow moving satellite like the Moon
> is much easier computationally yhan tracking a fast-moving LEO, I have been
> a little dissappointed with the pointing accuracy of Google Sky Map using
> my Samsung Galaxy S2. When the phone figures out which way it is being
> pointed, it gives a beautifully accurate map of celestial objects in its
> line of view, but sometimes it seems like the phone's internal compass
> function is out of calibration.
> Bottom line -- it should be doable and has, in principle, been done with
> the Moon as the satellite of interest, but has not, AFIK, been done for Ham
> I agree it could be a handy Android app if it worked well.
> 73 de W0JT/5
> John P. Toscano
> EL09ro October-May
> EN34js June-September
> On Dec 28 2012, Doug Faunt N6TQS +1-510-717-1197 wrote:
> It seems to me that some smartphones have sensors for elevation and
>> azimuth, and the capacity to calculate those for satellite passes.
>> Has anyone combined all that so that one could just attach the 'phone to
>> the antenna boom and have it indicate where to point it?
>> This would be particularly useful for the analog sats, since very little
>> attention would need to be paid to antenna pointing.
>> 73, doug
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