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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>
18 Aug 1997 15:04:24 yearsecs  19839864
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.61  212.33  -45.87  135.85
    1.00  -61.35  227.33  -47.91  146.56
    2.00  -62.08  242.33  -50.37  157.23
    3.00  -62.81  257.33  -53.17  167.90
    4.00  -62.08  272.33  -54.97  179.83
    5.00  -63.22  287.33  -58.84  190.45
    6.00  -64.22  302.33  -63.02  201.25
    7.00  -64.74  317.33  -67.15  213.43
    8.00  -65.40  332.33  -71.53  227.41
    9.00  -64.66  347.33  -74.40  248.41
   10.00  -64.13    2.33  -76.52  276.22
   11.00  -63.83   17.33  -76.69  310.01
   12.00  -63.75   32.33  -74.38  340.65
   13.00  -63.90   47.33  -70.77    3.39
   14.00  -64.27   62.33  -67.12   21.05
   15.00  -64.85   77.33  -63.89   36.44
   16.00  -65.64   92.33  -61.13   50.66
   17.00  -66.62  107.33  -58.88   63.84
   18.00  -66.34  122.33  -55.83   74.41
   19.00  -65.92  137.33  -53.29   84.47
   20.00  -64.52  152.33  -50.38   93.95
   21.00  -63.53  167.33  -48.40  104.06
   22.00  -62.16  182.33  -46.53  114.37
   23.00  -61.09  197.33  -45.57  125.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.42  212.33  -54.37  134.27
    1.00  -70.19  227.33  -56.22  143.30
    2.00  -71.15  242.33  -58.65  151.97
    3.00  -71.96  257.33  -61.31  160.39
    4.00  -74.24  272.33  -65.51  166.18
    5.00  -75.42  287.33  -69.01  172.03
    6.00  -75.22  302.33  -71.79  180.22
    7.00  -74.50  317.33  -74.64  190.45
    8.00  -75.09  332.33  -78.50  196.67
    9.00  -75.27  347.33  -82.30  204.47
   10.00  -75.16    2.33  -86.17  217.83
   11.00  -74.89   17.33  -88.95  324.85
   12.00  -74.59   32.33  -85.14   26.42
   13.00  -74.53   47.33  -80.91   40.69
   14.00  -74.48   62.33  -76.78   50.61
   15.00  -73.99   77.33  -72.58   58.01
   16.00  -73.88   92.33  -68.96   66.58
   17.00  -72.59  107.33  -64.70   72.79
   18.00  -72.57  122.33  -62.05   81.59
   19.00  -72.94  137.33  -60.38   90.61
   20.00  -72.36  152.33  -58.32   98.71
   21.00  -70.61  167.33  -55.56  106.68
   22.00  -70.27  182.33  -54.67  115.78
   23.00  -69.10  197.33  -53.48  124.96
</PRE>


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