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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>
10 May 1997 16:48:24 yearsecs  11206104
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.94  180.57  -50.36  113.82
    1.00  -65.74  195.57  -50.12  123.83
    2.00  -66.57  210.57  -51.51  133.69
    3.00  -67.38  225.57  -53.42  143.31
    4.00  -66.97  240.57  -54.65  153.46
    5.00  -67.62  255.57  -57.23  163.17
    6.00  -67.50  270.57  -59.50  173.57
    7.00  -67.65  285.57  -62.39  183.94
    8.00  -68.58  300.57  -66.40  193.32
    9.00  -68.90  315.57  -70.24  204.20
   10.00  -68.38  330.57  -73.61  218.94
   11.00  -68.23  345.57  -77.23  237.29
   12.00  -68.28    0.57  -80.46  264.04
   13.00  -68.56   15.57  -82.08  304.58
   14.00  -69.06   30.57  -80.79  346.64
   15.00  -69.79   45.57  -77.75   15.19
   16.00  -70.55   60.57  -74.24   34.29
   17.00  -70.90   75.57  -70.50   47.87
   18.00  -70.97   90.57  -66.83   58.93
   19.00  -70.37  105.57  -62.97   68.01
   20.00  -69.51  120.57  -59.34   76.68
   21.00  -68.68  135.57  -56.33   85.53
   22.00  -67.97  150.57  -54.04   94.71
   23.00  -67.06  165.57  -52.07  104.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.07  180.57  -56.52  115.10
    1.00  -73.11  195.57  -57.48  123.88
    2.00  -73.89  210.57  -58.67  132.19
    3.00  -78.72  225.57  -64.24  137.55
    4.00  -80.56  240.57  -67.05  142.14
    5.00  -80.91  255.57  -68.71  147.33
    6.00  -80.25  270.57  -69.90  154.13
    7.00  -79.35  285.57  -71.39  161.77
    8.00  -79.42  300.57  -73.85  166.61
    9.00  -79.20  315.57  -76.43  171.62
   10.00  -78.74  330.57  -79.23  176.72
   11.00  -79.11  345.57  -82.21  173.63
   12.00  -79.47    0.57  -84.72  159.38
   13.00  -79.35   15.57  -86.17  126.01
   14.00  -79.25   30.57  -84.94   88.90
   15.00  -79.07   45.57  -82.17   75.10
   16.00  -79.01   60.57  -78.98   73.43
   17.00  -78.80   75.57  -75.77   75.19
   18.00  -79.64   90.57  -73.28   82.52
   19.00  -79.73  105.57  -70.86   87.49
   20.00  -78.93  120.57  -68.09   91.14
   21.00  -77.20  135.57  -64.70   94.75
   22.00  -74.76  150.57  -60.87   99.62
   23.00  -73.14  165.57  -58.20  106.81
</PRE>


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