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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>
18 Aug 1997 01:21:02 yearsecs  19790462
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.95   50.90  -71.05    9.65
    1.00  -64.27   65.90  -66.17   24.65
    2.00  -65.35   80.90  -63.55   40.47
    3.00  -66.42   95.90  -61.13   54.76
    4.00  -66.25  110.90  -57.78   66.03
    5.00  -67.20  125.90  -56.15   77.74
    6.00  -67.33  140.90  -54.33   87.93
    7.00  -67.20  155.90  -52.83   97.77
    8.00  -67.58  170.90  -52.33  107.82
    9.00  -67.40  185.90  -51.74  117.57
   10.00  -67.01  200.90  -51.50  127.31
   11.00  -66.83  215.90  -52.11  137.13
   12.00  -66.87  230.90  -53.47  147.03
   13.00  -67.13  245.90  -55.47  156.96
   14.00  -67.62  260.90  -58.03  166.80
   15.00  -68.33  275.90  -61.15  176.35
   16.00  -69.26  290.90  -64.86  185.38
   17.00  -70.22  305.90  -68.96  194.13
   18.00  -70.00  320.90  -72.43  206.04
   19.00  -69.46  335.90  -75.83  221.56
   20.00  -68.43  350.90  -78.64  244.85
   21.00  -67.42    5.90  -80.35  278.88
   22.00  -66.46   20.90  -79.41  318.94
   23.00  -65.63   35.90  -75.79  349.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.69   50.90  -77.95   28.95
    1.00  -72.71   65.90  -74.59   46.05
    2.00  -73.69   80.90  -71.48   59.27
    3.00  -77.48   95.90  -70.96   77.68
    4.00  -79.52  110.90  -69.91   88.79
    5.00  -80.25  125.90  -68.54   95.81
    6.00  -79.85  140.90  -66.65  100.82
    7.00  -79.23  155.90  -64.88  106.29
    8.00  -79.62  170.90  -64.50  113.08
    9.00  -79.32  185.90  -63.82  119.53
   10.00  -79.51  200.90  -64.05  126.17
   11.00  -79.19  215.90  -64.18  132.91
   12.00  -79.21  230.90  -65.06  139.55
   13.00  -78.92  245.90  -66.06  146.45
   14.00  -78.88  260.90  -67.66  153.00
   15.00  -78.55  275.90  -69.41  159.96
   16.00  -78.71  290.90  -71.84  165.52
   17.00  -78.24  305.90  -74.24  172.45
   18.00  -78.44  320.90  -77.22  176.32
   19.00  -78.09  335.90  -80.24  181.30
   20.00  -77.11  350.90  -83.54  189.95
   21.00  -75.23    5.90  -87.14  221.69
   22.00  -73.51   20.90  -87.11  337.15
   23.00  -72.18   35.90  -82.52   11.48
</PRE>


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