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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>
10 May 1997 15:07:07 yearsecs  11200027
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.92  210.53  -48.94  134.07
    1.00  -64.95  225.53  -51.13  144.13
    2.00  -65.99  240.53  -53.75  153.97
    3.00  -67.03  255.53  -56.70  163.60
    4.00  -66.80  270.53  -58.87  174.25
    5.00  -67.65  285.53  -62.38  183.91
    6.00  -67.69  300.53  -65.63  194.76
    7.00  -67.60  315.53  -69.17  206.78
    8.00  -68.03  330.53  -73.32  219.75
    9.00  -68.21  345.53  -77.20  237.28
   10.00  -67.83    0.53  -80.02  265.18
   11.00  -67.64   15.53  -81.05  304.77
   12.00  -67.66   30.53  -79.27  343.06
   13.00  -67.90   45.53  -75.84    9.31
   14.00  -68.37   60.53  -72.16   27.98
   15.00  -69.06   75.53  -68.79   43.29
   16.00  -69.93   90.53  -65.87   56.77
   17.00  -70.69  105.53  -63.28   68.49
   18.00  -70.52  120.53  -60.34   77.87
   19.00  -69.97  135.53  -57.64   86.66
   20.00  -69.00  150.53  -55.09   95.33
   21.00  -68.04  165.53  -53.07  104.48
   22.00  -66.49  180.53  -50.91  113.89
   23.00  -64.76  195.53  -49.15  123.78
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.92  210.53  -53.78  133.24
    1.00  -70.03  225.53  -55.91  142.26
    2.00  -71.03  240.53  -58.34  150.95
    3.00  -75.93  255.53  -64.52  154.84
    4.00  -78.29  270.53  -68.45  158.23
    5.00  -78.63  285.53  -70.93  163.65
    6.00  -77.88  300.53  -73.05  171.66
    7.00  -77.15  315.53  -75.63  180.03
    8.00  -77.36  330.53  -78.93  184.35
    9.00  -77.30  345.53  -82.30  187.96
   10.00  -77.49    0.53  -85.71  182.06
   11.00  -77.25   15.53  -88.42  129.73
   12.00  -77.42   30.53  -85.92   66.94
   13.00  -77.16   45.53  -82.26   59.52
   14.00  -77.13   60.53  -78.54   62.82
   15.00  -76.83   75.53  -74.85   67.09
   16.00  -77.02   90.53  -71.71   74.08
   17.00  -76.74  105.53  -68.63   80.04
   18.00  -77.28  120.53  -66.68   87.97
   19.00  -76.98  135.53  -64.50   94.44
   20.00  -75.93  150.53  -62.03  100.62
   21.00  -73.81  165.53  -58.88  107.13
   22.00  -71.49  180.53  -55.94  114.94
   23.00  -69.76  195.53  -54.12  123.84
</PRE>


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