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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>
16 Sep 1997 17:37:14 yearsecs  22354634
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.87  165.32  -48.86  102.76
    1.00  -63.99  180.32  -48.41  113.28
    2.00  -64.91  195.32  -49.30  123.64
    3.00  -65.84  210.32  -50.79  133.64
    4.00  -65.62  225.32  -51.75  143.76
    5.00  -66.68  240.32  -54.35  153.46
    6.00  -66.86  255.32  -56.52  163.59
    7.00  -66.71  270.32  -58.76  174.19
    8.00  -67.39  285.32  -62.12  184.09
    9.00  -66.96  300.32  -64.97  195.74
   10.00  -66.55  315.32  -68.23  208.56
   11.00  -66.36  330.32  -71.86  223.27
   12.00  -66.40  345.32  -75.56  241.74
   13.00  -66.66    0.32  -78.82  267.57
   14.00  -67.14   15.32  -80.50  304.37
   15.00  -67.85   30.32  -79.52  343.03
   16.00  -68.78   45.32  -76.81   11.53
   17.00  -69.80   60.32  -73.62   31.72
   18.00  -69.65   75.32  -69.41   44.50
   19.00  -69.07   90.32  -65.10   54.96
   20.00  -67.97  105.32  -60.66   64.21
   21.00  -66.91  120.32  -56.75   73.59
   22.00  -65.44  135.32  -53.04   82.71
   23.00  -64.19  150.32  -50.21   92.37
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.87  165.32  -53.92  104.69
    1.00  -70.21  180.32  -54.66  114.53
    2.00  -71.43  195.32  -55.78  123.73
    3.00  -74.96  210.32  -59.72  131.77
    4.00  -77.65  225.32  -63.18  138.18
    5.00  -78.32  240.32  -64.99  144.65
    6.00  -77.68  255.32  -66.00  152.38
    7.00  -77.12  270.32  -67.52  160.33
    8.00  -77.78  285.32  -70.33  165.70
    9.00  -77.42  300.32  -72.75  172.97
   10.00  -77.58  315.32  -75.78  178.26
   11.00  -77.23  330.32  -78.84  184.95
   12.00  -77.08  345.32  -82.23  189.67
   13.00  -76.74    0.32  -85.82  192.88
   14.00  -76.70   15.32  -89.00  136.18
   15.00  -76.21   30.32  -86.15   48.07
   16.00  -76.22   45.32  -82.14   51.79
   17.00  -75.27   60.32  -77.77   53.08
   18.00  -75.29   75.32  -73.98   61.22
   19.00  -74.94   90.32  -70.25   68.13
   20.00  -74.14  105.32  -66.49   74.49
   21.00  -72.01  120.32  -61.84   79.67
   22.00  -70.44  135.32  -58.14   86.96
   23.00  -69.19  150.32  -55.31   95.33
</PRE>


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