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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>
09 May 1997 01:35:45 yearsecs  11064945
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.80   45.26  -72.41    2.20
    1.00  -65.77   60.26  -69.43   21.77
    2.00  -66.63   75.26  -66.37   37.87
    3.00  -67.48   90.26  -63.52   52.02
    4.00  -67.10  105.26  -59.79   62.95
    5.00  -67.78  120.26  -57.65   74.49
    6.00  -67.69  135.26  -55.36   84.48
    7.00  -67.80  150.26  -53.90   94.41
    8.00  -68.53  165.26  -53.58  104.52
    9.00  -68.81  180.26  -53.25  114.19
   10.00  -68.55  195.26  -52.90  123.67
   11.00  -68.36  210.26  -53.23  133.18
   12.00  -68.39  225.26  -54.34  142.74
   13.00  -68.65  240.26  -56.14  152.29
   14.00  -69.14  255.26  -58.53  161.73
   15.00  -69.84  270.26  -61.47  170.82
   16.00  -70.60  285.26  -64.83  179.56
   17.00  -71.00  300.26  -68.29  188.71
   18.00  -71.03  315.26  -71.81  199.09
   19.00  -70.43  330.26  -75.12  212.99
   20.00  -69.56  345.26  -78.25  232.60
   21.00  -68.71    0.26  -80.81  262.06
   22.00  -67.82   15.26  -81.27  303.95
   23.00  -66.00   30.26  -77.45  339.62
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.80   45.26  -77.84   14.79
    1.00  -70.90   60.26  -74.64   35.14
    2.00  -71.73   75.26  -71.31   49.89
    3.00  -77.06   90.26  -71.79   74.08
    4.00  -79.14  105.26  -70.49   85.80
    5.00  -79.49  120.26  -68.59   92.16
    6.00  -78.70  135.26  -66.14   96.78
    7.00  -77.74  150.26  -63.83  102.26
    8.00  -78.01  165.26  -63.12  109.50
    9.00  -77.99  180.26  -62.55  116.57
   10.00  -77.98  195.26  -62.42  123.70
   11.00  -77.98  210.26  -62.74  130.83
   12.00  -78.24  225.26  -63.75  137.75
   13.00  -78.06  240.26  -64.75  144.90
   14.00  -77.96  255.26  -66.23  151.96
   15.00  -77.76  270.26  -68.00  159.13
   16.00  -77.74  285.26  -70.30  165.77
   17.00  -77.53  300.26  -72.81  172.62
   18.00  -78.42  315.26  -76.10  174.82
   19.00  -78.49  330.26  -79.13  178.12
   20.00  -77.53  345.26  -82.25  186.15
   21.00  -75.53    0.26  -85.73  210.41
   22.00  -72.82   15.26  -86.77  300.44
   23.00  -71.00   30.26  -82.86  353.17
</PRE>


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