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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>
20 Mar 1997 22:03:27 yearsecs   6818607
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.37  102.30  -59.66   59.68
    1.00  -66.39  117.30  -56.74   70.87
    2.00  -67.13  132.30  -55.17   82.03
    3.00  -67.87  147.30  -54.24   92.52
    4.00  -67.42  162.30  -52.62  102.11
    5.00  -68.00  177.30  -52.51  112.10
    6.00  -67.84  192.30  -52.17  121.75
    7.00  -68.11  207.30  -52.83  131.33
    8.00  -69.12  222.30  -54.78  140.59
    9.00  -69.52  237.30  -56.60  149.88
   10.00  -69.37  252.30  -58.32  159.60
   11.00  -69.12  267.30  -60.36  169.67
   12.00  -69.12  282.30  -63.01  179.73
   13.00  -69.34  297.30  -66.29  189.70
   14.00  -69.80  312.30  -70.15  199.71
   15.00  -70.49  327.30  -74.41  210.17
   16.00  -71.14  342.30  -78.71  222.87
   17.00  -71.27  357.30  -82.49  244.83
   18.00  -71.42   12.30  -85.13  289.36
   19.00  -70.78   27.30  -83.25  344.44
   20.00  -69.96   42.30  -78.80   11.19
   21.00  -69.16   57.30  -73.85   26.85
   22.00  -68.52   72.30  -69.10   39.28
   23.00  -67.59   87.30  -64.35   49.86
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.79  102.30  -68.46   76.37
    1.00  -76.78  117.30  -66.72   85.56
    2.00  -77.48  132.30  -65.34   93.65
    3.00  -81.57  147.30  -67.73  105.75
    4.00  -83.02  162.30  -68.27  112.68
    5.00  -83.39  177.30  -68.16  117.85
    6.00  -83.02  192.30  -67.61  122.67
    7.00  -82.44  207.30  -67.18  127.99
    8.00  -82.61  222.30  -67.85  133.15
    9.00  -82.75  237.30  -68.79  138.04
   10.00  -82.74  252.30  -69.88  142.81
   11.00  -82.94  267.30  -71.39  146.64
   12.00  -82.94  282.30  -72.96  150.27
   13.00  -82.66  297.30  -74.64  154.03
   14.00  -82.40  312.30  -76.56  156.80
   15.00  -82.14  327.30  -78.65  157.82
   16.00  -81.88  342.30  -80.78  155.67
   17.00  -81.63  357.30  -82.73  147.63
   18.00  -82.29   12.30  -83.00  128.66
   19.00  -82.40   27.30  -82.55  111.72
   20.00  -81.74   42.30  -81.62   95.77
   21.00  -80.31   57.30  -79.67   81.24
   22.00  -78.10   72.30  -76.18   71.19
   23.00  -76.67   87.30  -72.15   71.60
</PRE>


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