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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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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
14 Jun 1997 13:03:47 yearsecs  14216627
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.61  240.58  -50.63  155.70
    1.00  -63.90  255.58  -53.90  165.89
    2.00  -64.76  270.58  -57.08  176.21
    3.00  -68.14  285.58  -62.82  183.29
    4.00  -67.89  300.58  -65.82  194.48
    5.00  -68.69  315.58  -70.07  204.66
    6.00  -68.81  330.58  -73.96  217.86
    7.00  -69.48  345.58  -78.27  233.29
    8.00  -70.09    0.58  -82.17  257.73
    9.00  -70.14   15.58  -83.83  304.01
   10.00  -69.71   30.58  -81.47  348.68
   11.00  -69.31   45.58  -77.27   13.56
   12.00  -69.16   60.58  -72.93   30.16
   13.00  -69.27   75.58  -68.97   43.81
   14.00  -69.62   90.58  -65.56   56.21
   15.00  -70.22  105.58  -62.82   67.78
   16.00  -70.81  120.58  -60.62   78.27
   17.00  -70.87  135.58  -58.53   87.53
   18.00  -70.96  150.58  -57.06   96.68
   19.00  -70.24  165.58  -55.28  105.45
   20.00  -69.45  180.58  -53.88  114.53
   21.00  -68.72  195.58  -53.08  123.87
   22.00  -66.35  210.58  -51.30  133.73
   23.00  -64.23  225.58  -50.46  144.40
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.61  240.58  -55.23  153.11
    1.00  -68.90  255.58  -58.37  162.14
    2.00  -69.76  270.58  -61.46  171.12
    3.00  -76.18  285.58  -69.26  169.50
    4.00  -78.38  300.58  -73.33  170.09
    5.00  -78.83  315.58  -76.31  173.21
    6.00  -77.93  330.58  -79.08  181.27
    7.00  -76.85  345.58  -82.26  191.53
    8.00  -76.98    0.58  -85.85  189.30
    9.00  -77.02   15.58  -88.67  130.22
   10.00  -76.78   30.58  -86.05   57.19
   11.00  -76.89   45.58  -82.21   57.31
   12.00  -77.22   60.58  -78.56   63.37
   13.00  -77.04   75.58  -74.95   67.91
   14.00  -76.85   90.58  -71.58   73.61
   15.00  -76.67  105.58  -68.56   79.91
   16.00  -76.48  120.58  -65.97   86.58
   17.00  -76.28  135.58  -63.83   93.54
   18.00  -77.55  150.58  -63.62  102.21
   19.00  -77.84  165.58  -62.94  109.53
   20.00  -76.89  180.58  -61.42  116.38
   21.00  -74.73  195.58  -59.11  123.88
   22.00  -71.35  210.58  -56.17  132.79
   23.00  -69.23  225.58  -55.16  142.62
</PRE>


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