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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>
05 Apr 1997 20:31:10 yearsecs   8195470
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.99  122.71  -55.41   74.33
    1.00  -65.72  137.71  -53.04   84.58
    2.00  -66.59  152.71  -52.46   95.32
    3.00  -67.45  167.71  -52.35  105.68
    4.00  -67.08  182.71  -51.46  115.44
    5.00  -67.77  197.71  -52.17  125.23
    6.00  -67.69  212.71  -52.72  134.87
    7.00  -67.79  227.71  -54.00  144.56
    8.00  -68.65  242.71  -56.44  153.88
    9.00  -68.78  257.71  -58.57  163.64
   10.00  -68.52  272.71  -60.75  173.95
   11.00  -68.31  287.71  -63.39  184.56
   12.00  -68.35  302.71  -66.69  195.30
   13.00  -68.61  317.71  -70.54  206.59
   14.00  -69.09  332.71  -74.72  219.27
   15.00  -69.80  347.71  -79.04  235.18
   16.00  -70.56    2.71  -83.00  260.95
   17.00  -70.98   17.71  -84.70  312.16
   18.00  -71.00   32.71  -82.28  358.71
   19.00  -70.41   47.71  -77.73   20.16
   20.00  -69.52   62.71  -72.69   33.21
   21.00  -68.66   77.71  -67.83   44.20
   22.00  -67.92   92.71  -63.40   54.71
   23.00  -67.04  107.71  -59.22   64.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.89  122.71  -61.34   80.93
    1.00  -72.95  137.71  -60.35   90.84
    2.00  -73.77  152.71  -59.70   99.97
    3.00  -78.53  167.71  -63.53  110.97
    4.00  -80.43  182.71  -65.01  118.47
    5.00  -80.79  197.71  -65.33  124.68
    6.00  -80.16  212.71  -65.03  131.06
    7.00  -79.37  227.71  -65.00  138.01
    8.00  -79.56  242.71  -66.33  144.27
    9.00  -79.47  257.71  -67.77  150.67
   10.00  -79.40  272.71  -69.58  156.81
   11.00  -79.39  287.71  -71.74  162.45
   12.00  -79.50  302.71  -74.25  167.00
   13.00  -79.28  317.71  -76.85  171.71
   14.00  -79.16  332.71  -79.70  174.52
   15.00  -78.93  347.71  -82.67  174.43
   16.00  -78.89    2.71  -85.44  161.81
   17.00  -78.66   17.71  -86.88  118.12
   18.00  -79.42   32.71  -84.48   87.51
   19.00  -79.43   47.71  -81.66   77.22
   20.00  -78.59   62.71  -78.44   71.36
   21.00  -76.82   77.71  -74.35   67.94
   22.00  -74.44   92.71  -69.34   68.17
   23.00  -72.88  107.71  -64.89   73.53
</PRE>


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