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Posted by Tim Springer on May 31, 2010, 6:12 pm


Dear GNSS Colleagues,

Does anyone has some information regarding the dimensions of the latest GPS
block IIF satellites. I am looking especially for the sizes of the satellite
main body and the sizes of the solar panels. I would like to make a rough
so-called "box-wing" model of this satellite to model the solar radiation
pressure forces. Of course also the (in orbit) weight would be an
interesting value to know.

I have been "googling" for this information but so far did not find very
much. So if anyone has some reliable information I would be very interested
to get the info.

Many thanks in advance,
Tim

---------------------
Dr. Tim Springer
GNSS Expert
Tel: +49 6151 902029
Mob: +49 160 97945508
http://www.PosiTim.com


--
---------------------
Destiny is not a matter of chance
....it is a matter of choice
It is not something to be waited for
....it is something to be achieved



Posted by Alan Browne on May 31, 2010, 6:34 pm


On 10-05-31 18:12 , Tim Springer wrote:

> I have been "googling" for this information but so far did not find very
> much. So if anyone has some reliable information I would be very
> interested to get the info.

Googled it and found them within 3 link checks.

Try harder "Dr. Springer, GNSS Expert".


--
gmail originated posts are filtered due to spam.

Posted by Tim Springer on May 31, 2010, 7:05 pm




> On 10-05-31 18:12 , Tim Springer wrote:
>> I have been "googling" for this information but so far did not find very
>> much. So if anyone has some reliable information I would be very
>> interested to get the info.
> Googled it and found them within 3 link checks.
> Try harder "Dr. Springer, GNSS Expert".
> --
> gmail originated posts are filtered due to spam.

Well I have found those links as well but they do not give any information
on the size of the solar panels and in particular on the total surface area
of the solar panels. So if you can find that I would be very interested.
There is some info on the size of the body of the spacecraft (244x197x197
cm) but I have found (completely) different numbers as well. That is why I
asked for "reliable" information :)

Cheers,
Tim



Posted by GPSGUY on June 1, 2010, 12:06 pm


Dude, you need to get out more. A bag of Doritos and a Mtn Dew don't
constitute dinner.

> > I have been "googling" for this information but so far did not find very
> > much. So if anyone has some reliable information I would be very
> > interested to get the info.
> Googled it and found them within 3 link checks.
> Try harder "Dr. Springer, GNSS Expert".
> --
> gmail originated posts are filtered due to spam.


Posted by Sam Wormley on June 1, 2010, 12:45 pm


On 5/31/10 5:12 PM, Tim Springer wrote:
> Dear GNSS Colleagues,
> Does anyone has some information regarding the dimensions of the latest
> GPS block IIF satellites. I am looking especially for the sizes of the
> satellite main body and the sizes of the solar panels. I would like to
> make a rough so-called "box-wing" model of this satellite to model the
> solar radiation pressure forces. Of course also the (in orbit) weight
> would be an interesting value to know.
> I have been "googling" for this information but so far did not find very
> much. So if anyone has some reliable information I would be very
> interested to get the info.
> Many thanks in advance,
> Tim
> ---------------------
> Dr. Tim Springer
> GNSS Expert
> Tel: +49 6151 902029
> Mob: +49 160 97945508
> http://www.PosiTim.com

http://www.spaceandtech.com/spacedata/constellations/navstar-gps-block2f_conspecs.shtml

Block IIF-1 Body: 1.97m x 1.97m x 2.44m

I would estimate that the area of the solar panels is 16 m^2
http://www.af.mil/information/factsheets/factsheet.asp?id=119

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