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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>
12 Oct 1997 12:18:28 yearsecs  24581908
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.32  242.51  -49.67  157.73
    1.00  -61.92  257.51  -52.38  168.61
    2.00  -62.54  272.51  -55.42  179.59
    3.00  -63.14  287.51  -58.81  190.68
    4.00  -62.52  302.51  -61.52  203.57
    5.00  -63.69  317.51  -66.26  215.22
    6.00  -64.41  332.51  -70.69  229.47
    7.00  -64.66  347.51  -74.44  248.70
    8.00  -65.02    2.51  -77.47  275.29
    9.00  -64.63   17.51  -77.59  310.37
   10.00  -64.21   32.51  -74.89  341.51
   11.00  -64.02   47.51  -70.87    3.83
   12.00  -64.06   62.51  -66.83   20.88
   13.00  -64.32   77.51  -63.24   35.70
   14.00  -64.80   92.51  -60.19   49.54
   15.00  -65.51  107.51  -57.69   62.56
   16.00  -66.44  122.51  -55.91   74.64
   17.00  -67.60  137.51  -54.99   85.89
   18.00  -67.60  152.51  -53.51   95.76
   19.00  -66.94  167.51  -51.84  105.36
   20.00  -65.48  182.51  -49.86  115.04
   21.00  -64.38  197.51  -48.82  125.13
   22.00  -63.01  212.51  -48.20  135.59
   23.00  -61.84  227.51  -48.39  146.54
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.82  242.51  -60.19  150.83
    1.00  -73.71  257.51  -62.86  158.59
    2.00  -74.64  272.51  -65.87  165.66
    3.00  -75.50  287.51  -69.11  171.94
    4.00  -77.39  302.51  -73.15  173.99
    5.00  -78.65  317.51  -76.62  174.48
    6.00  -78.32  332.51  -79.56  179.41
    7.00  -77.72  347.51  -82.76  184.58
    8.00  -78.40    2.51  -85.71  167.65
    9.00  -78.24   17.51  -87.34  117.75
   10.00  -78.15   32.51  -85.20   74.37
   11.00  -77.89   47.51  -81.83   65.44
   12.00  -77.55   62.51  -78.20   65.68
   13.00  -77.41   77.51  -74.71   70.09
   14.00  -77.38   92.51  -71.56   76.00
   15.00  -76.93  107.51  -68.44   81.39
   16.00  -76.77  122.51  -65.95   87.99
   17.00  -75.51  137.51  -62.88   93.55
   18.00  -75.34  152.51  -61.28  101.13
   19.00  -75.91  167.51  -60.89  109.32
   20.00  -75.42  182.51  -59.88  116.97
   21.00  -73.84  197.51  -58.23  124.96
   22.00  -73.45  212.51  -58.32  133.39
   23.00  -72.62  227.51  -58.52  142.26
</PRE>


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