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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>
23 Feb 1997 23:43:13 yearsecs   4664593
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.13   80.98  -63.30   40.18
    1.00  -65.71   95.98  -60.37   53.74
    2.00  -66.61  110.98  -58.14   66.54
    3.00  -67.52  125.98  -56.46   78.11
    4.00  -67.24  140.98  -54.24   87.92
    5.00  -68.05  155.98  -53.69   98.28
    6.00  -68.16  170.98  -52.92  108.06
    7.00  -68.77  185.98  -53.11  117.81
    8.00  -70.17  200.98  -54.64  127.18
    9.00  -70.81  215.98  -55.94  136.16
   10.00  -70.13  230.98  -56.50  145.59
   11.00  -69.53  245.98  -57.64  155.41
   12.00  -69.25  260.98  -59.47  165.37
   13.00  -69.25  275.98  -61.96  175.30
   14.00  -69.53  290.98  -65.10  185.02
   15.00  -70.08  305.98  -68.87  194.47
   16.00  -70.64  320.98  -72.93  204.46
   17.00  -70.67  335.98  -76.75  217.79
   18.00  -70.74  350.98  -80.58  236.28
   19.00  -69.99    5.98  -82.98  272.30
   20.00  -69.06   20.98  -82.33  321.32
   21.00  -68.20   35.98  -78.64  355.11
   22.00  -67.61   50.98  -74.02   15.55
   23.00  -66.51   65.98  -68.70   29.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.13   80.98  -68.41   50.11
    1.00  -71.34   95.98  -65.93   63.35
    2.00  -72.16  110.98  -63.61   74.29
    3.00  -77.86  125.98  -66.46   91.42
    4.00  -79.83  140.98  -66.62  100.82
    5.00  -80.25  155.98  -65.88  107.37
    6.00  -79.56  170.98  -64.43  113.08
    7.00  -78.52  185.98  -62.99  119.39
    8.00  -78.59  200.98  -63.12  126.33
    9.00  -78.53  215.98  -63.52  133.28
   10.00  -78.35  230.98  -64.25  140.32
   11.00  -78.41  245.98  -65.61  147.13
   12.00  -78.66  260.98  -67.50  153.41
   13.00  -78.46  275.98  -69.36  160.18
   14.00  -78.26  290.98  -71.59  166.78
   15.00  -78.06  305.98  -74.17  173.09
   16.00  -77.86  320.98  -77.05  178.96
   17.00  -77.65  335.98  -80.19  184.02
   18.00  -78.77  350.98  -83.35  174.46
   19.00  -79.05    5.98  -85.78  153.91
   20.00  -78.23   20.98  -87.11  102.36
   21.00  -76.33   35.98  -84.65   50.18
   22.00  -73.36   50.98  -79.18   36.86
   23.00  -71.51   65.98  -73.59   42.06
</PRE>


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