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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>
11 May 1997 14:53:04 yearsecs  11285584
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.68  214.24  -46.08  137.22
    1.00  -61.33  229.24  -48.09  147.96
    2.00  -61.97  244.24  -50.52  158.68
    3.00  -62.62  259.24  -53.29  169.45
    4.00  -61.84  274.24  -55.09  181.51
    5.00  -62.94  289.24  -58.98  192.25
    6.00  -63.83  304.24  -63.12  203.34
    7.00  -64.26  319.24  -67.21  215.97
    8.00  -64.68  334.24  -71.36  230.97
    9.00  -64.17  349.24  -74.34  252.29
   10.00  -63.76    4.24  -76.34  280.71
   11.00  -63.57   19.24  -76.26  314.28
   12.00  -63.60   34.24  -73.77  343.78
   13.00  -63.86   49.24  -70.21    5.72
   14.00  -64.35   64.24  -66.70   23.13
   15.00  -65.05   79.24  -63.64   38.50
   16.00  -65.98   94.24  -61.05   52.75
   17.00  -67.14  109.24  -59.02   65.93
   18.00  -67.13  124.24  -56.33   76.53
   19.00  -66.48  139.24  -53.65   86.18
   20.00  -64.97  154.24  -50.69   95.50
   21.00  -63.86  169.24  -48.65  105.51
   22.00  -62.40  184.24  -46.75  115.77
   23.00  -61.24  199.24  -45.78  126.37
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.45  214.24  -57.43  134.65
    1.00  -73.22  229.24  -59.24  142.93
    2.00  -74.12  244.24  -61.57  150.73
    3.00  -74.91  259.24  -64.13  158.09
    4.00  -76.95  274.24  -67.97  162.49
    5.00  -78.01  289.24  -71.14  166.75
    6.00  -77.90  304.24  -73.75  173.01
    7.00  -77.41  319.24  -76.52  180.38
    8.00  -77.92  334.24  -79.86  182.04
    9.00  -78.01  349.24  -83.13  181.89
   10.00  -77.83    4.24  -86.35  172.18
   11.00  -77.52   19.24  -87.97  103.08
   12.00  -77.18   34.24  -85.08   60.96
   13.00  -77.05   49.24  -81.31   59.27
   14.00  -76.95   64.24  -77.57   63.19
   15.00  -76.48   79.24  -73.80   67.35
   16.00  -76.32   94.24  -70.46   73.77
   17.00  -75.13  109.24  -66.62   78.49
   18.00  -74.92  124.24  -64.00   85.93
   19.00  -75.37  139.24  -62.56   94.28
   20.00  -74.85  154.24  -60.66  101.64
   21.00  -73.34  169.24  -58.21  108.98
   22.00  -73.06  184.24  -57.46  117.43
   23.00  -72.14  199.24  -56.55  126.01
</PRE>


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