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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>
18 Oct 1997 17:52:26 yearsecs  25120346
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.25  159.83  -51.60   99.94
    1.00  -66.15  174.83  -50.73  110.01
    2.00  -66.94  189.83  -51.25  120.09
    3.00  -67.71  204.83  -52.34  129.80
    4.00  -67.29  219.83  -52.84  139.59
    5.00  -67.90  234.83  -54.84  149.16
    6.00  -67.76  249.83  -56.56  159.19
    7.00  -67.94  264.83  -58.93  169.19
    8.00  -68.88  279.83  -62.34  178.37
    9.00  -69.14  294.83  -65.58  188.31
   10.00  -68.92  309.83  -68.85  199.64
   11.00  -68.72  324.83  -72.43  212.58
   12.00  -68.75  339.83  -76.26  228.20
   13.00  -69.01  354.83  -80.02  249.85
   14.00  -69.49    9.83  -82.90  285.47
   15.00  -70.20   24.83  -83.08  335.28
   16.00  -70.91   39.83  -80.37   11.36
   17.00  -71.17   54.83  -76.40   30.92
   18.00  -71.27   69.83  -72.34   44.42
   19.00  -70.66   84.83  -67.93   54.18
   20.00  -69.82   99.83  -63.64   63.19
   21.00  -69.00  114.83  -59.83   72.26
   22.00  -68.32  129.83  -56.72   81.46
   23.00  -67.41  144.83  -54.00   90.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.27  159.83  -56.67  102.46
    1.00  -72.36  174.83  -56.99  111.83
    2.00  -73.15  189.83  -57.49  120.63
    3.00  -78.33  204.83  -62.93  128.17
    4.00  -80.22  219.83  -65.39  134.02
    5.00  -80.59  234.83  -66.65  139.82
    6.00  -79.92  249.83  -67.32  146.73
    7.00  -78.98  264.83  -68.23  154.49
    8.00  -79.08  279.83  -70.36  160.31
    9.00  -79.01  294.83  -72.67  166.05
   10.00  -78.82  309.83  -75.23  171.61
   11.00  -78.82  324.83  -78.10  175.35
   12.00  -79.02  339.83  -81.10  175.34
   13.00  -78.84  354.83  -84.07  171.47
   14.00  -78.70    9.83  -86.54  147.13
   15.00  -78.52   24.83  -86.37   92.86
   16.00  -78.41   39.83  -83.54   71.70
   17.00  -78.22   54.83  -80.15   68.10
   18.00  -79.18   69.83  -77.07   75.64
   19.00  -79.36   84.83  -74.19   79.90
   20.00  -78.56   99.83  -70.99   82.24
   21.00  -76.76  114.83  -67.09   84.39
   22.00  -74.12  129.83  -62.47   87.82
   23.00  -72.46  144.83  -59.10   94.45
</PRE>


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