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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
19 Jun 1997 20:26:21 yearsecs  14675181
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.60  120.02  -53.37   70.03
    1.00  -63.87  135.02  -51.46   81.33
    2.00  -64.75  150.02  -50.81   92.46
    3.00  -65.62  165.02  -50.65  103.20
    4.00  -65.40  180.02  -49.83  113.34
    5.00  -66.49  195.02  -50.85  123.47
    6.00  -66.70  210.02  -51.60  133.30
    7.00  -66.56  225.02  -52.59  143.24
    8.00  -67.24  240.02  -54.82  152.95
    9.00  -66.79  255.02  -56.41  163.43
   10.00  -66.37  270.02  -58.40  174.31
   11.00  -66.18  285.02  -61.00  185.37
   12.00  -66.21  300.02  -64.24  196.62
   13.00  -66.47  315.02  -68.08  208.44
   14.00  -66.95  330.02  -72.29  221.70
   15.00  -67.66  345.02  -76.61  238.11
   16.00  -68.59    0.02  -80.66  261.87
   17.00  -69.62   15.02  -83.26  302.31
   18.00  -69.49   30.02  -81.37  346.67
   19.00  -68.90   45.02  -77.01   11.47
   20.00  -67.75   60.02  -71.65   25.90
   21.00  -66.71   75.02  -66.52   37.80
   22.00  -65.46   90.02  -61.47   48.46
   23.00  -64.08  105.02  -56.70   58.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.60  120.02  -58.52   75.25
    1.00  -69.78  135.02  -57.51   86.16
    2.00  -70.85  150.02  -57.00   96.26
    3.00  -74.05  165.02  -59.15  106.97
    4.00  -76.79  180.02  -61.33  116.06
    5.00  -77.43  195.02  -61.86  123.58
    6.00  -76.62  210.02  -61.36  131.14
    7.00  -75.84  225.02  -61.41  139.14
    8.00  -76.52  240.02  -63.31  146.30
    9.00  -76.02  255.02  -64.53  154.46
   10.00  -76.05  270.02  -66.63  162.04
   11.00  -76.12  285.02  -69.12  169.36
   12.00  -76.11  300.02  -71.90  176.64
   13.00  -75.90  315.02  -74.90  184.43
   14.00  -76.02  330.02  -78.35  190.97
   15.00  -75.66  345.02  -81.85  200.30
   16.00  -75.78    0.02  -85.71  206.79
   17.00  -74.85   15.02  -88.94  287.79
   18.00  -74.99   30.02  -85.96   28.47
   19.00  -75.11   45.02  -81.83   43.02
   20.00  -74.19   60.02  -77.22   47.79
   21.00  -72.01   75.02  -71.60   50.49
   22.00  -70.46   90.02  -66.49   57.48
   23.00  -69.08  105.02  -61.83   65.64
</PRE>


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