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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>
31 Oct 1997 23:38:16 yearsecs  26264296
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.98   75.65  -60.92   30.30
    1.00  -62.55   90.65  -58.10   44.69
    2.00  -63.12  105.65  -55.54   58.18
    3.00  -63.70  120.65  -53.36   70.61
    4.00  -63.23  135.65  -50.71   81.33
    5.00  -64.48  150.65  -50.47   92.76
    6.00  -65.02  165.65  -50.00  103.41
    7.00  -65.10  180.65  -49.51  113.71
    8.00  -65.75  195.65  -50.13  123.88
    9.00  -65.11  210.65  -50.11  133.98
   10.00  -64.70  225.65  -50.91  144.30
   11.00  -64.51  240.65  -52.40  154.83
   12.00  -64.54  255.65  -54.49  165.50
   13.00  -64.80  270.65  -57.12  176.23
   14.00  -65.28  285.65  -60.34  186.89
   15.00  -65.99  300.65  -64.20  197.44
   16.00  -66.92  315.65  -68.63  208.18
   17.00  -68.07  330.65  -73.39  219.77
   18.00  -68.09  345.65  -77.13  237.80
   19.00  -67.41    0.65  -79.62  266.54
   20.00  -66.02   15.65  -79.25  305.61
   21.00  -64.92   30.65  -76.11  338.92
   22.00  -63.64   45.65  -70.91    0.81
   23.00  -62.46   60.65  -65.36   16.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.13   75.65  -70.68   48.52
    1.00  -72.16   90.65  -67.88   61.56
    2.00  -73.12  105.65  -65.52   72.76
    3.00  -74.08  120.65  -63.75   82.78
    4.00  -76.40  135.65  -63.93   93.72
    5.00  -77.72  150.65  -63.78  102.42
    6.00  -77.28  165.65  -62.37  109.20
    7.00  -76.67  180.65  -61.19  116.35
    8.00  -77.59  195.65  -62.02  123.89
    9.00  -77.39  210.65  -62.16  131.21
   10.00  -77.41  225.65  -62.97  138.50
   11.00  -77.22  240.65  -64.01  145.94
   12.00  -76.88  255.65  -65.35  153.67
   13.00  -76.74  270.65  -67.27  161.16
   14.00  -76.84  285.65  -69.74  168.07
   15.00  -76.41  300.65  -72.21  176.10
   16.00  -76.26  315.65  -75.23  183.44
   17.00  -74.77  330.65  -77.94  197.17
   18.00  -74.52  345.65  -81.58  208.56
   19.00  -75.17    0.65  -85.73  215.76
   20.00  -74.58   15.65  -88.68  299.32
   21.00  -72.67   30.65  -84.28    4.28
   22.00  -72.02   45.65  -79.70   24.63
   23.00  -71.12   60.65  -74.72   36.23
</PRE>


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