[aprssig] STK Updating

[scott at opentrac.org]

Much closer... maybe if you updated manually you got newer TLEs than I did.
I'll mess around with it in the morning and try to get the sunlight
constraint added.

Scott
N1VG

-----Original Message-----
From: aprssig-bounces at lists.tapr.org
[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Earl Needham
Sent: Monday, January 31, 2005 9:09 PM
To: TAPR APRS Mailing List
Subject: [aprssig] STK Updating


At 09:29 PM 1/31/2005, scott at opentrac.org wrote:
>I think I've had a copy around since v3.  I'm running 5 right now.  The
free
>core program, even without any add-ons, blows away any other satellite
>prediction software out there.  I don't know of any other free program
>that'd let you show, for example, access times between two ground stations,
>via two satellites, and only when one of them is in full sunlight.
>
>For those that don't have it... you can order a free CD of version 6.1
here:
>http://www.stk.com/products/desktopApp/stkFamily/modules/core/stk/
>
>I did my TLE update online, worked fine even through a proxy server.  Earl,
>is yours close to what my report showed now, or are they still
significantly
>off?

         Scott, they're still off a bit.  Here's what I get now:

31 Jan 2005 22:05:15
Satellite-ISS-01-To-Satellite-PCSAT:  Access Summary Report


ISS-01-To-PCSAT
---------------
Access           Start Time (UTCG)           Stop Time (UTCG)     Duration
(sec)

1     2 Feb 2005 19:27:03.230     2 Feb 2005 23:26:05.135         14341.905
2     3 Feb 2005 12:17:38.890     3 Feb 2005 16:17:35.510         14396.620
3     4 Feb 2005 05:07:42.701     4 Feb 2005 09:09:40.593         14517.893
4     4 Feb 2005 21:57:32.284     5 Feb 2005 02:02:22.627         14690.343
5     5 Feb 2005 14:47:13.732     5 Feb 2005 18:55:07.277         14873.545
6     6 Feb 2005 07:36:49.589     6 Feb 2005 11:46:54.480         15004.890
7     7 Feb 2005 00:26:20.830     7 Feb 2005 04:37:37.729         15076.899
8     7 Feb 2005 17:15:47.589     7 Feb 2005 21:27:35.343         15107.754
9     8 Feb 2005 10:05:09.474     8 Feb 2005 14:16:58.162         15108.688
10    9 Feb 2005 02:54:25.773     9 Feb 2005 07:05:48.814         15083.041
11    9 Feb 2005 19:43:35.626     9 Feb 2005 23:54:03.320         15027.695
12   10 Feb 2005 12:32:38.157    10 Feb 2005 16:41:30.553         14932.396
13   11 Feb 2005 05:21:32.634    11 Feb 2005 09:27:56.553         14783.919
14   11 Feb 2005 22:10:18.540    12 Feb 2005 02:13:34.208         14595.668
15   12 Feb 2005 14:58:55.647    12 Feb 2005 18:59:07.125         14411.478

Global Statistics
-----------------
Min Duration  1     2 Feb 2005 19:27:03.230  2 Feb 2005
23:26:05.135    14341.905
Max Duration  9     8 Feb 2005 10:05:09.474  8 Feb 2005
14:16:58.162    15108.688
Mean Duration       14796.849
Total Duration     221952.732





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