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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>
22 Jul 1997 17:09:52 yearsecs  17514592
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.05  177.24  -47.53  110.93
    1.00  -63.59  192.24  -47.94  121.48
    2.00  -64.21  207.24  -49.03  131.78
    3.00  -64.82  222.24  -50.70  141.91
    4.00  -64.61  237.24  -52.08  152.37
    5.00  -65.98  252.24  -55.29  162.09
    6.00  -66.43  267.24  -57.99  172.28
    7.00  -66.45  282.24  -60.69  183.02
    8.00  -67.30  297.24  -64.56  192.91
    9.00  -66.95  312.24  -67.80  205.23
   10.00  -66.27  327.24  -71.01  220.24
   11.00  -65.89  342.24  -74.38  238.58
   12.00  -65.78  357.24  -77.44  263.16
   13.00  -65.91   12.24  -79.15  296.99
   14.00  -66.29   27.24  -78.34  333.67
   15.00  -66.90   42.24  -75.63    2.13
   16.00  -67.74   57.24  -72.42   22.97
   17.00  -68.09   72.24  -68.69   38.26
   18.00  -67.45   87.24  -64.23   49.56
   19.00  -67.74  102.24  -61.08   61.62
   20.00  -66.63  117.24  -57.00   71.10
   21.00  -65.44  132.24  -53.44   80.57
   22.00  -64.53  147.24  -50.82   90.40
   23.00  -63.43  162.24  -48.58  100.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.31  177.24  -53.84  112.40
    1.00  -70.87  192.24  -55.19  121.87
    2.00  -72.18  207.24  -56.83  130.66
    3.00  -73.62  222.24  -59.07  138.78
    4.00  -76.69  237.24  -63.20  144.76
    5.00  -77.86  252.24  -65.79  150.71
    6.00  -77.30  267.24  -67.22  158.55
    7.00  -76.73  282.24  -69.09  166.70
    8.00  -77.78  297.24  -72.39  170.65
    9.00  -77.50  312.24  -75.12  177.43
   10.00  -77.59  327.24  -78.28  182.16
   11.00  -77.26  342.24  -81.54  187.82
   12.00  -76.70  357.24  -85.06  194.12
   13.00  -76.32   12.24  -88.83  183.60
   14.00  -76.28   27.24  -86.97   49.83
   15.00  -75.60   42.24  -82.78   45.27
   16.00  -75.17   57.24  -78.53   50.85
   17.00  -73.09   72.24  -73.20   51.85
   18.00  -72.45   87.24  -68.94   60.02
   19.00  -72.78  102.24  -65.89   70.08
   20.00  -72.48  117.24  -62.80   78.49
   21.00  -70.44  132.24  -58.54   85.07
   22.00  -69.79  147.24  -56.19   93.80
   23.00  -69.18  162.24  -54.40  102.87
</PRE>


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