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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 Aug 1997 18:21:52 yearsecs  19160512
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.82  155.17  -47.40   94.67
    1.00  -62.48  170.17  -47.20  105.75
    2.00  -63.13  185.17  -47.47  116.52
    3.00  -63.77  200.17  -48.30  126.96
    4.00  -63.32  215.17  -48.70  137.39
    5.00  -64.60  230.17  -51.27  147.45
    6.00  -65.28  245.17  -53.69  157.58
    7.00  -65.54  260.17  -56.07  168.01
    8.00  -66.15  275.17  -59.11  178.22
    9.00  -65.53  290.17  -61.49  189.99
   10.00  -65.01  305.17  -64.40  202.47
   11.00  -64.75  320.17  -67.88  216.06
   12.00  -64.71  335.17  -71.61  232.01
   13.00  -64.90  350.17  -75.23  252.41
   14.00  -65.31    5.17  -78.07  280.69
   15.00  -65.95   20.17  -78.89  316.91
   16.00  -66.80   35.17  -77.29  350.36
   17.00  -67.88   50.17  -74.54   15.26
   18.00  -67.80   65.17  -70.29   31.11
   19.00  -66.97   80.17  -65.48   42.80
   20.00  -65.52   95.17  -60.35   52.80
   21.00  -64.52  110.17  -56.13   63.42
   22.00  -63.32  125.17  -52.25   73.67
   23.00  -62.24  140.17  -49.16   83.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.67  155.17  -56.40   99.28
    1.00  -71.67  170.17  -56.49  108.83
    2.00  -72.64  185.17  -57.02  117.89
    3.00  -73.59  200.17  -58.03  126.45
    4.00  -76.13  215.17  -61.10  133.92
    5.00  -77.21  230.17  -63.10  140.84
    6.00  -76.74  245.17  -64.04  148.65
    7.00  -76.05  260.17  -65.23  157.05
    8.00  -76.92  275.17  -68.09  162.98
    9.00  -76.75  290.17  -70.47  170.36
   10.00  -76.66  305.17  -73.26  177.39
   11.00  -76.46  320.17  -76.31  184.65
   12.00  -76.14  335.17  -79.61  192.68
   13.00  -76.04  350.17  -83.24  199.70
   14.00  -76.13    5.17  -87.08  201.94
   15.00  -75.71   20.17  -88.89   31.86
   16.00  -75.60   35.17  -84.73   41.22
   17.00  -74.16   50.17  -79.91   40.61
   18.00  -73.99   65.17  -75.71   50.38
   19.00  -74.68   80.17  -72.39   61.81
   20.00  -74.10   95.17  -68.52   68.71
   21.00  -72.19  110.17  -63.79   73.84
   22.00  -71.59  125.17  -60.67   82.03
   23.00  -70.63  140.17  -57.76   90.11
</PRE>


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