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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>
03 Jul 1997 14:16:26 yearsecs  15862586
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.53  225.90  -46.98  145.77
    1.00  -61.18  240.90  -49.33  156.60
    2.00  -61.84  255.90  -52.06  167.45
    3.00  -62.49  270.90  -55.10  178.39
    4.00  -61.67  285.90  -57.15  190.89
    5.00  -62.76  300.90  -61.37  201.92
    6.00  -63.69  315.90  -65.85  213.74
    7.00  -64.15  330.90  -70.05  228.11
    8.00  -64.43  345.90  -73.87  246.73
    9.00  -64.06    0.90  -76.27  273.41
   10.00  -63.65   15.90  -76.57  306.82
   11.00  -63.46   30.90  -74.33  337.81
   12.00  -63.49   45.90  -70.66    0.91
   13.00  -63.75   60.90  -66.89   18.69
   14.00  -64.23   75.90  -63.55   34.09
   15.00  -64.94   90.90  -60.71   48.40
   16.00  -65.87  105.90  -58.40   61.79
   17.00  -67.03  120.90  -56.78   74.12
   18.00  -67.01  135.90  -54.59   84.35
   19.00  -66.37  150.90  -52.39   93.98
   20.00  -64.84  165.90  -49.81  103.52
   21.00  -63.74  180.90  -48.14  113.64
   22.00  -62.26  195.90  -46.69  124.00
   23.00  -61.10  210.90  -46.25  134.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.09  225.90  -57.89  141.58
    1.00  -72.82  240.90  -60.02  149.89
    2.00  -73.72  255.90  -62.65  157.67
    3.00  -74.49  270.90  -65.49  165.01
    4.00  -76.52  285.90  -69.56  168.91
    5.00  -77.59  300.90  -72.96  172.70
    6.00  -77.48  315.90  -75.86  178.86
    7.00  -77.29  330.90  -78.99  184.81
    8.00  -77.57  345.90  -82.40  185.88
    9.00  -77.51    0.90  -85.79  181.41
   10.00  -77.35   15.90  -88.32  126.28
   11.00  -77.05   30.90  -85.92   61.06
   12.00  -76.73   45.90  -82.10   56.08
   13.00  -76.62   60.90  -78.26   60.26
   14.00  -76.53   75.90  -74.60   66.08
   15.00  -76.06   90.90  -70.96   71.47
   16.00  -75.91  105.90  -67.89   78.41
   17.00  -74.74  120.90  -64.33   83.91
   18.00  -74.54  135.90  -62.12   91.58
   19.00  -75.01  150.90  -61.08  100.00
   20.00  -74.50  165.90  -59.55  107.70
   21.00  -72.99  180.90  -57.45  115.51
   22.00  -72.73  195.90  -57.10  124.07
   23.00  -71.76  210.90  -56.58  132.89
</PRE>


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