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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 13:36:05 yearsecs   6788165
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.94  230.70  -52.58  147.29
    1.00  -66.02  245.70  -54.43  157.52
    2.00  -66.84  260.70  -57.31  167.33
    3.00  -67.66  275.70  -60.54  176.97
    4.00  -67.30  290.70  -63.14  188.09
    5.00  -68.00  305.70  -67.10  198.17
    6.00  -67.99  320.70  -70.79  210.47
    7.00  -68.46  335.70  -74.98  224.20
    8.00  -69.55  350.70  -79.55  240.70
    9.00  -69.70    5.70  -82.65  272.54
   10.00  -69.31   20.70  -82.63  320.79
   11.00  -68.97   35.70  -79.52  356.82
   12.00  -68.88   50.70  -75.42   18.70
   13.00  -69.05   65.70  -71.40   34.70
   14.00  -69.46   80.70  -67.84   48.37
   15.00  -70.11   95.70  -64.85   60.83
   16.00  -70.75  110.70  -62.31   71.94
   17.00  -70.85  125.70  -59.86   81.48
   18.00  -70.97  140.70  -58.05   90.73
   19.00  -70.29  155.70  -55.98   99.38
   20.00  -69.44  170.70  -54.21  108.32
   21.00  -68.67  185.70  -53.01  117.62
   22.00  -68.05  200.70  -52.53  127.13
   23.00  -67.15  215.70  -52.39  136.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.98  230.70  -58.20  144.47
    1.00  -73.11  245.70  -60.82  152.44
    2.00  -73.89  260.70  -63.46  160.18
    3.00  -79.06  275.70  -69.75  158.74
    4.00  -80.86  290.70  -73.00  158.97
    5.00  -81.27  305.70  -75.38  160.92
    6.00  -80.61  320.70  -77.64  165.88
    7.00  -79.70  335.70  -80.27  171.16
    8.00  -79.74  350.70  -82.97  166.35
    9.00  -79.72    5.70  -85.19  148.92
   10.00  -79.47   20.70  -85.89  111.49
   11.00  -79.50   35.70  -83.92   84.90
   12.00  -79.71   50.70  -81.01   78.48
   13.00  -79.51   65.70  -77.99   76.71
   14.00  -79.31   80.70  -74.95   78.62
   15.00  -79.11   95.70  -72.08   82.41
   16.00  -78.92  110.70  -69.48   87.26
   17.00  -78.71  125.70  -67.24   92.79
   18.00  -79.72  140.70  -66.55  100.55
   19.00  -79.99  155.70  -65.64  106.99
   20.00  -79.25  170.70  -64.13  112.77
   21.00  -77.53  185.70  -61.99  119.06
   22.00  -74.85  200.70  -59.30  126.63
   23.00  -73.20  215.70  -58.24  135.26
</PRE>


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