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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>
19 Aug 1997 21:36:36 yearsecs  19949796
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.99  105.55  -58.59   61.67
    1.00  -66.08  120.55  -55.86   72.88
    2.00  -66.91  135.55  -54.52   84.03
    3.00  -67.73  150.55  -53.80   94.56
    4.00  -67.37  165.55  -52.38  104.23
    5.00  -68.06  180.55  -52.49  114.22
    6.00  -68.03  195.55  -52.39  123.84
    7.00  -68.46  210.55  -53.34  133.35
    8.00  -69.64  225.55  -55.54  142.44
    9.00  -70.24  240.55  -57.63  151.49
   10.00  -69.79  255.55  -59.15  161.35
   11.00  -69.39  270.55  -61.13  171.53
   12.00  -69.24  285.55  -63.75  181.76
   13.00  -69.36  300.55  -67.03  191.98
   14.00  -69.72  315.55  -70.88  202.40
   15.00  -70.33  330.55  -75.12  213.57
   16.00  -70.93  345.55  -79.38  227.71
   17.00  -71.00    0.55  -82.97  253.39
   18.00  -71.11   15.55  -84.89  303.43
   19.00  -70.41   30.55  -82.20  351.23
   20.00  -69.53   45.55  -77.50   14.25
   21.00  -68.68   60.55  -72.46   28.82
   22.00  -68.07   75.55  -67.80   41.10
   23.00  -67.18   90.55  -63.15   51.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.85  105.55  -65.29   72.20
    1.00  -73.93  120.55  -63.63   82.50
    2.00  -74.68  135.55  -62.29   91.55
    3.00  -79.60  150.55  -65.62  104.42
    4.00  -81.31  165.55  -66.42  112.15
    5.00  -81.69  180.55  -66.35  118.09
    6.00  -81.13  195.55  -65.66  123.80
    7.00  -80.28  210.55  -65.07  130.11
    8.00  -80.37  225.55  -65.84  136.27
    9.00  -80.38  240.55  -66.89  142.36
   10.00  -80.25  255.55  -68.17  148.48
   11.00  -80.36  270.55  -69.98  153.87
   12.00  -80.52  285.55  -72.09  158.50
   13.00  -80.31  300.55  -74.24  163.49
   14.00  -80.10  315.55  -76.67  167.63
   15.00  -79.89  330.55  -79.32  170.17
   16.00  -79.68  345.55  -82.08  169.28
   17.00  -79.47    0.55  -84.72  159.41
   18.00  -80.39   15.55  -85.05  125.45
   19.00  -80.61   30.55  -83.90   99.50
   20.00  -79.87   45.55  -81.97   81.28
   21.00  -78.21   60.55  -78.84   68.86
   22.00  -75.62   75.55  -74.13   62.52
   23.00  -74.00   90.55  -69.46   65.85
</PRE>


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