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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 Oct 1997 21:20:54 yearsecs  24355254
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.13  108.80  -50.52   56.51
    1.00  -59.74  123.80  -48.65   69.65
    2.00  -60.35  138.80  -47.33   81.77
    3.00  -60.96  153.80  -46.60   93.28
    4.00  -60.32  168.80  -45.07  104.14
    5.00  -61.28  183.80  -45.62  115.30
    6.00  -62.58  198.80  -47.09  126.04
    7.00  -63.47  213.80  -48.73  136.41
    8.00  -63.77  228.80  -50.35  146.80
    9.00  -63.13  243.80  -51.53  157.78
   10.00  -62.72  258.80  -53.31  169.06
   11.00  -62.52  273.80  -55.64  180.59
   12.00  -62.56  288.80  -58.54  192.31
   13.00  -62.82  303.80  -62.09  204.29
   14.00  -63.30  318.80  -66.23  217.03
   15.00  -64.01  333.80  -70.63  231.67
   16.00  -64.94  348.80  -74.98  250.15
   17.00  -66.09    3.80  -78.73  276.35
   18.00  -66.13   18.80  -79.21  313.57
   19.00  -65.31   33.80  -75.89  345.27
   20.00  -63.71   48.80  -70.14    4.93
   21.00  -62.57   63.80  -64.67   19.75
   22.00  -60.95   78.80  -58.90   31.76
   23.00  -59.81   93.80  -54.22   43.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.09  108.80  -63.01   71.25
    1.00  -71.78  123.80  -61.07   81.45
    2.00  -72.66  138.80  -59.94   91.17
    3.00  -73.30  153.80  -59.14  100.23
    4.00  -74.93  168.80  -59.84  109.49
    5.00  -76.09  183.80  -60.55  117.80
    6.00  -76.17  198.80  -60.61  125.52
    7.00  -75.49  213.80  -60.40  133.45
    8.00  -75.89  228.80  -61.74  141.07
    9.00  -76.00  243.80  -63.22  148.73
   10.00  -75.69  258.80  -64.74  156.84
   11.00  -75.37  273.80  -66.66  165.13
   12.00  -75.09  288.80  -69.05  173.49
   13.00  -75.01  303.80  -71.97  181.54
   14.00  -74.91  318.80  -75.21  189.85
   15.00  -74.51  333.80  -78.58  200.33
   16.00  -74.52  348.80  -82.39  211.16
   17.00  -73.75    3.80  -85.85  240.12
   18.00  -73.53   18.80  -87.40  324.47
   19.00  -73.62   33.80  -84.17   18.62
   20.00  -73.16   48.80  -79.65   33.81
   21.00  -71.87   63.80  -74.48   41.46
   22.00  -71.79   78.80  -70.45   52.61
   23.00  -70.73   93.80  -65.87   60.69
</PRE>


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