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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
07 Aug 1997 17:17:48 yearsecs  18897468
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.44  174.28  -50.04  109.45
    1.00  -64.85  189.28  -49.17  119.55
    2.00  -65.88  204.28  -50.52  129.62
    3.00  -66.90  219.28  -52.43  139.34
    4.00  -66.66  234.28  -53.64  149.39
    5.00  -67.50  249.28  -56.24  159.01
    6.00  -67.53  264.28  -58.48  169.20
    7.00  -67.47  279.28  -61.02  179.71
    8.00  -68.20  294.28  -64.68  189.38
    9.00  -68.02  309.28  -67.98  200.90
   10.00  -67.68  324.28  -71.44  214.42
   11.00  -67.49  339.28  -75.07  230.97
   12.00  -67.52  354.28  -78.55  253.43
   13.00  -67.78    9.28  -81.04  287.11
   14.00  -68.26   24.28  -81.04  329.45
   15.00  -68.97   39.28  -78.62    3.08
   16.00  -69.84   54.28  -75.35   25.73
   17.00  -70.59   69.28  -71.89   42.02
   18.00  -70.44   84.28  -67.86   53.29
   19.00  -69.89   99.28  -63.84   62.94
   20.00  -68.92  114.28  -59.85   71.78
   21.00  -67.97  129.28  -56.45   80.77
   22.00  -67.11  144.28  -53.75   90.02
   23.00  -66.27  159.28  -51.66   99.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.80  174.28  -57.46  111.66
    1.00  -73.79  189.28  -58.15  120.38
    2.00  -74.69  204.28  -59.24  128.58
    3.00  -78.74  219.28  -63.89  134.68
    4.00  -80.68  234.28  -66.68  139.51
    5.00  -81.01  249.28  -68.19  144.84
    6.00  -80.47  264.28  -69.31  151.36
    7.00  -79.94  279.28  -70.85  157.98
    8.00  -80.29  294.28  -73.25  161.84
    9.00  -80.14  309.28  -75.61  166.23
   10.00  -80.22  324.28  -78.22  168.12
   11.00  -80.08  339.28  -80.88  168.21
   12.00  -80.14  354.28  -83.36  160.51
   13.00  -79.87    9.28  -85.37  140.61
   14.00  -79.77   24.28  -85.31  104.62
   15.00  -79.47   39.28  -83.29   81.65
   16.00  -79.55   54.28  -80.31   76.81
   17.00  -79.26   69.28  -77.21   75.92
   18.00  -79.66   84.28  -74.43   80.89
   19.00  -79.38   99.28  -71.63   84.39
   20.00  -78.46  114.28  -68.59   87.63
   21.00  -76.71  129.28  -64.99   91.08
   22.00  -74.79  144.28  -61.46   96.29
   23.00  -73.42  159.28  -58.87  103.41
</PRE>


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