For newbies, re: Obs of 2002 Jul 31 UTC

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Wed Jul 31 2002 - 04:13:41 EDT

  • Next message: Tony Beresford: "RE: catching a low flying satellite + Long-range obs"

    Ted wrote:
    
    >I observed the following points:
    >
    >24680 96 072A   2701 G 20020731021657230 17 25 2001558+083058 28 S
    ....
    
    When I started reading SeeSat-L, I had no idea what messages
    like that meant.  They hurt my eyes to look at them.  Well, 
    it's a positional measurement.  For more information on this 
    topic, on the Visual Satellite Observers Home Page, see these 
    items (which are linked there):
    
     http://www.satobs.org/
    
    >Observing ... 
    >            ...
    >            Satellite positions. 
    >                  Why measure positions? 
    >                  Preparation. 
    >                  Making actual measurements. 
    
    Also see this part of the SeeSat-L FAQ:
    
    http://home.att.net/~sue.worden/SeeSat-FAQ/Chapter-07.txt
    
    The SeeSat-L FAQ sites are here:
    
    http://home.att.net/~sue.worden/SeeSat-FAQ/ (HTML)
    http://users2.ev1.net/~mmccants/faq/ (ASCII - plain text)
    
    Another type of highly numerical message is a report of a
    tumbling satellite in the Photometric Periods of Artificial
    Satellites (PPAS) format.  That's discussed in the FAQ 
    chapter above, beginning at 7.2.3, and on the SeeSat-L 
    home page under "Observing ... Flashing Satellites", and a
    specific description of the format is here:
    
    http://users.skynet.be/satimage/bwgs/ppasformat.txt (Europe)
    http://users2.ev1.net/~mmccants/bwgs/ppasfmt.html (USA)
    
    By the way, the PPAS database is up to version 10 now.  If 
    you want information on flashing satellites, you can get a 
    copy of the database here:
    
    http://users.skynet.be/satimage/bwgs/ppas10.zip (Europe)
    http://users2.ev1.net/~mmccants/bwgs/ppas10.zip (USA)
    
    Okay, that's my last message for this morning -- I promise!
    
    Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA
    
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