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[aprssig] ISS/ PCSAT joint operations announcement

scott at opentrac.org scott at opentrac.org
Tue Feb 1 03:48:34 UTC 2005


Hey, someone else has STK, too!  =]  Your access times don't seem to match
up with mine, though - I'll have to check my scenario setup.  I think I've
got the current ephemerides.  I didn't set up any other constraints or
anything, just ran an access opportunity report for ISS vs. PCSAT.  Maybe I
got the wrong object for ISS - it had a different name, but I think it was
the same NORAD ID.  I'll check it out tomorrow and see if I can constrain it
to times when PCSAT is in sun.  Maybe check it against 'predict', too, and
make sure it's got the orbits right.

My access summary is at http://n1vg.net/iss-to-pcsat.txt

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 7:05 PM
To: aprssig at lists.tapr.org
Subject: Re: [aprssig] ISS/ PCSAT joint operations announcement


At 07:59 PM 1/31/2005, Robert Bruninga wrote:
>Just look for the intersection of thier ground coverage
>circles.  If they intersect, they can see each other.
>Bob

         Here's a report on accesses from one to the other.  This doesn't
show when either is in range of any particular ground station, it's
strictly when ISS can see PCSAT, from now through 10 Feb:

31 Jan 2005 20:00:47
Satellite-ISS-01-To-Satellite-PCSAT:  Access Summary Report


ISS-01-To-PCSAT
---------------
Access        Start Time (UTCG)           Stop Time (UTCG)        Duration
(sec)
------    ------------------------    ------------------------ -------------
-
      1     1 Feb 2005 05:51:09.071     1 Feb 2005
09:42:55.242         13906.171
      2     1 Feb 2005 22:28:26.618     2 Feb 2005
02:22:29.133         14042.514
      3     2 Feb 2005 14:49:30.199     2 Feb 2005
19:03:14.255         15224.056
      4     3 Feb 2005 07:29:21.220     3 Feb 2005
11:40:46.873         15085.654
      5     4 Feb 2005 00:07:59.809     4 Feb 2005
04:04:37.426         14197.617
      6     4 Feb 2005 16:32:55.343     4 Feb 2005
20:43:17.092         15021.750
      7     5 Feb 2005 09:09:08.310     5 Feb 2005
13:21:51.974         15163.664
      8     6 Feb 2005 01:47:14.386     6 Feb 2005
05:51:22.136         14647.750
      9     6 Feb 2005 18:15:47.783     6 Feb 2005
22:24:13.361         14905.578
     10     7 Feb 2005 10:47:59.272     7 Feb 2005
15:01:35.294         15216.023
     11     8 Feb 2005 03:25:16.553     8 Feb 2005
07:30:40.278         14723.725
     12     8 Feb 2005 19:55:18.897     9 Feb 2005
00:01:49.667         14790.770
     13     9 Feb 2005 12:26:44.998     9 Feb 2005
16:39:04.646         15139.648
     14    10 Feb 2005 05:04:13.231    10 Feb 2005
09:08:50.732         14677.501
     15    10 Feb 2005 21:34:30.214    10 Feb 2005
23:00:00.000          5129.786

Global Statistics
-----------------
Min Duration  15    10 Feb 2005 21:34:30.214  10 Feb 2005
23:00:00.000    5129.786
Max Duration   3     2 Feb 2005 14:49:30.199   2 Feb 2005
19:03:14.255   15224.056
Mean Duration   14124.814
Total Duration 211872.206



Earl Needham, KD5XB, Clovis, New Mexico DM84jk
http://kd5xb-2.no-ip.info




Earl Needham, KD5XB, Clovis, New Mexico DM84jk
http://kd5xb-2.no-ip.info



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