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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>
15 Mar 1997 19:38:14 yearsecs   6377894
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.86  138.66  -52.04   84.62
    1.00  -64.29  153.66  -50.04   94.76
    2.00  -65.37  168.66  -50.21  105.59
    3.00  -66.46  183.66  -50.82  115.97
    4.00  -66.28  198.66  -50.72  125.87
    5.00  -67.22  213.66  -52.33  135.58
    6.00  -67.34  228.66  -53.68  145.36
    7.00  -67.18  243.66  -55.22  155.42
    8.00  -67.84  258.66  -57.89  165.08
    9.00  -67.50  273.66  -60.03  175.72
   10.00  -67.12  288.66  -62.57  186.84
   11.00  -66.90  303.66  -65.69  198.41
   12.00  -66.93  318.66  -69.39  210.78
   13.00  -67.19  333.66  -73.42  225.09
   14.00  -67.68  348.66  -77.47  243.48
   15.00  -68.38    3.66  -81.05  271.05
   16.00  -69.31   18.66  -82.80  314.35
   17.00  -70.27   33.66  -81.34  357.47
   18.00  -70.03   48.66  -77.12   19.97
   19.00  -69.50   63.66  -72.41   34.04
   20.00  -68.47   78.66  -67.39   44.56
   21.00  -67.46   93.66  -62.71   54.67
   22.00  -66.51  108.66  -58.49   64.69
   23.00  -65.46  123.66  -54.71   74.49
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.86  138.66  -57.15   88.51
    1.00  -70.91  153.66  -56.76   98.51
    2.00  -71.92  168.66  -56.81  108.04
    3.00  -76.13  183.66  -60.58  117.74
    4.00  -78.48  198.66  -62.97  125.27
    5.00  -78.84  213.66  -63.73  132.07
    6.00  -78.11  228.66  -63.85  139.43
    7.00  -77.48  243.66  -64.55  147.12
    8.00  -77.93  258.66  -66.61  153.56
    9.00  -77.56  273.66  -68.35  161.04
   10.00  -77.74  288.66  -70.87  167.21
   11.00  -77.33  303.66  -73.34  174.64
   12.00  -77.44  318.66  -76.41  180.05
   13.00  -77.20  333.66  -79.58  186.12
   14.00  -77.24  348.66  -83.02  188.68
   15.00  -76.94    3.66  -86.58  187.34
   16.00  -77.21   18.66  -88.33  102.74
   17.00  -76.84   33.66  -85.26   56.77
   18.00  -77.18   48.66  -81.48   60.12
   19.00  -76.81   63.66  -77.65   62.28
   20.00  -75.77   78.66  -73.49   64.60
   21.00  -73.74   93.66  -68.55   67.02
   22.00  -71.88  108.66  -63.78   72.42
   23.00  -70.46  123.66  -59.78   79.76
</PRE>


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