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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>
28 Jun 1997 18:40:50 yearsecs  15446450
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.24  148.49  -51.44   91.69
    1.00  -66.37  163.49  -51.49  102.46
    2.00  -67.13  178.49  -51.60  112.68
    3.00  -67.90  193.49  -52.23  122.52
    4.00  -67.43  208.49  -52.23  132.20
    5.00  -68.00  223.49  -53.82  141.74
    6.00  -67.83  238.49  -55.19  151.61
    7.00  -68.08  253.49  -57.35  161.41
    8.00  -69.08  268.49  -60.52  170.51
    9.00  -69.46  283.49  -63.53  180.07
   10.00  -69.27  298.49  -66.50  190.66
   11.00  -69.06  313.49  -69.85  202.21
   12.00  -69.07  328.49  -73.64  215.12
   13.00  -69.32  343.49  -77.62  231.04
   14.00  -69.79  358.49  -81.48  254.27
   15.00  -70.49   13.49  -84.18  296.02
   16.00  -71.16   28.49  -83.39  349.42
   17.00  -71.29   43.49  -79.70   18.42
   18.00  -71.45   58.49  -75.61   35.42
   19.00  -70.82   73.49  -70.97   46.02
   20.00  -70.00   88.49  -66.43   55.44
   21.00  -69.22  103.49  -62.28   64.77
   22.00  -68.50  118.49  -58.68   74.11
   23.00  -66.67  133.49  -54.54   82.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.24  148.49  -56.52   94.90
    1.00  -71.37  163.49  -56.54  104.71
    2.00  -72.13  178.49  -56.64  113.90
    3.00  -77.79  193.49  -62.22  122.85
    4.00  -79.72  208.49  -64.44  129.44
    5.00  -80.10  223.49  -65.46  135.63
    6.00  -79.34  238.49  -65.77  142.72
    7.00  -78.22  253.49  -66.24  150.79
    8.00  -78.22  268.49  -68.12  157.46
    9.00  -78.14  283.49  -70.28  164.05
   10.00  -77.87  298.49  -72.67  170.88
   11.00  -77.87  313.49  -75.53  176.48
   12.00  -78.23  328.49  -78.71  179.20
   13.00  -78.10  343.49  -81.88  181.75
   14.00  -77.96  358.49  -85.12  177.84
   15.00  -77.83   13.49  -87.71  139.84
   16.00  -77.69   28.49  -86.26   73.67
   17.00  -77.53   43.49  -82.79   62.61
   18.00  -78.71   58.49  -79.39   71.50
   19.00  -79.03   73.49  -76.28   75.69
   20.00  -78.25   88.49  -72.89   77.15
   21.00  -76.40  103.49  -68.73   78.34
   22.00  -73.50  118.49  -63.56   80.73
   23.00  -71.67  133.49  -59.59   87.08
</PRE>


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