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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>
06 Apr 1997 15:15:41 yearsecs   8262941
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.73  207.21  -47.60  131.92
    1.00  -63.23  222.21  -49.20  142.34
    2.00  -63.79  237.21  -51.31  152.74
    3.00  -64.33  252.21  -53.79  163.16
    4.00  -64.04  267.21  -55.86  174.34
    5.00  -65.35  282.21  -59.73  184.24
    6.00  -65.71  297.21  -63.17  195.16
    7.00  -65.59  312.21  -66.62  207.51
    8.00  -66.29  327.21  -71.02  220.18
    9.00  -65.69  342.21  -74.19  238.99
   10.00  -65.25  357.21  -76.91  264.16
   11.00  -65.06   12.21  -78.20  297.55
   12.00  -65.09   27.21  -76.96  332.27
   13.00  -65.35   42.21  -73.87  358.92
   14.00  -65.83   57.21  -70.33   18.64
   15.00  -66.54   72.21  -67.07   34.95
   16.00  -67.47   87.21  -64.25   49.57
   17.00  -68.62  102.21  -61.96   62.94
   18.00  -68.58  117.21  -58.98   73.34
   19.00  -67.96  132.21  -56.02   82.70
   20.00  -66.63  147.21  -52.98   91.66
   21.00  -65.53  162.21  -50.72  101.25
   22.00  -64.36  177.21  -48.85  111.20
   23.00  -63.18  192.21  -47.53  121.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.59  207.21  -54.28  131.07
    1.00  -70.82  222.21  -56.39  139.92
    2.00  -71.87  237.21  -58.74  148.40
    3.00  -73.04  252.21  -61.57  156.27
    4.00  -76.01  267.21  -66.18  160.69
    5.00  -77.06  282.21  -69.32  165.97
    6.00  -76.28  297.21  -71.46  174.85
    7.00  -75.44  312.21  -74.03  184.62
    8.00  -76.46  327.21  -77.88  187.63
    9.00  -76.16  342.21  -81.30  195.52
   10.00  -76.26  357.21  -85.05  199.52
   11.00  -76.17   12.21  -88.89  191.35
   12.00  -75.83   27.21  -86.97   40.55
   13.00  -75.72   42.21  -82.83   46.26
   14.00  -75.96   57.21  -78.92   55.10
   15.00  -75.56   72.21  -74.91   60.62
   16.00  -75.44   87.21  -71.32   67.90
   17.00  -73.77  102.21  -66.77   72.01
   18.00  -73.58  117.21  -63.84   80.12
   19.00  -74.43  132.21  -62.46   89.48
   20.00  -73.83  147.21  -60.24   96.99
   21.00  -71.66  162.21  -56.91  104.09
   22.00  -70.73  177.21  -55.27  112.76
   23.00  -69.79  192.21  -54.11  121.80
</PRE>


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