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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>
12 Jun 1997 20:14:06 yearsecs  14069646
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.47  122.80  -54.86   73.88
    1.00  -65.61  137.80  -52.92   84.56
    2.00  -66.52  152.80  -52.38   95.34
    3.00  -67.43  167.80  -52.33  105.73
    4.00  -67.15  182.80  -51.53  115.51
    5.00  -67.96  197.80  -52.37  125.28
    6.00  -68.09  212.80  -53.11  134.85
    7.00  -68.70  227.80  -54.87  144.24
    8.00  -70.13  242.80  -57.78  152.97
    9.00  -71.10  257.80  -60.62  161.54
   10.00  -71.21  272.80  -63.07  170.77
   11.00  -70.26  287.80  -65.05  181.75
   12.00  -69.78  302.80  -67.89  192.80
   13.00  -69.65  317.80  -71.38  204.36
   14.00  -69.83  332.80  -75.32  217.25
   15.00  -70.30  347.80  -79.46  233.34
   16.00  -70.80    2.80  -83.24  260.02
   17.00  -70.80   17.80  -84.49  312.36
   18.00  -70.83   32.80  -82.10  358.12
   19.00  -70.07   47.80  -77.39   19.04
   20.00  -69.13   62.80  -72.28   32.20
   21.00  -68.22   77.80  -67.36   43.31
   22.00  -67.52   92.80  -62.97   54.09
   23.00  -66.64  107.80  -58.80   64.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.70  122.80  -60.16   79.51
    1.00  -71.89  137.80  -59.29   89.83
    2.00  -72.70  152.80  -58.62   99.23
    3.00  -78.23  167.80  -63.23  110.83
    4.00  -80.15  182.80  -64.72  118.41
    5.00  -80.56  197.80  -65.10  124.73
    6.00  -79.90  212.80  -64.76  131.22
    7.00  -78.89  227.80  -64.55  138.43
    8.00  -78.97  242.80  -65.81  145.03
    9.00  -78.97  257.80  -67.36  151.54
   10.00  -78.75  272.80  -69.11  158.25
   11.00  -78.81  287.80  -71.40  164.06
   12.00  -79.08  302.80  -74.07  168.49
   13.00  -78.90  317.80  -76.76  173.45
   14.00  -78.70  332.80  -79.67  177.24
   15.00  -78.49  347.80  -82.76  178.02
   16.00  -78.29    2.80  -85.82  168.51
   17.00  -78.07   17.80  -87.50  115.73
   18.00  -79.14   32.80  -84.63   84.84
   19.00  -79.41   47.80  -81.64   77.02
   20.00  -78.60   62.80  -78.42   71.41
   21.00  -76.75   77.80  -74.29   67.71
   22.00  -73.86   92.80  -68.84   66.79
   23.00  -72.05  107.80  -64.11   72.17
</PRE>


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