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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>
09 Oct 1997 00:54:28 yearsecs  24281668
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.81   55.93  -63.18    7.70
    1.00  -60.49   70.93  -60.20   23.71
    2.00  -61.17   85.93  -57.54   38.59
    3.00  -61.85  100.93  -55.10   52.70
    4.00  -60.92  115.93  -51.21   64.27
    5.00  -61.93  130.93  -49.95   76.89
    6.00  -63.05  145.93  -49.42   88.62
    7.00  -63.72  160.93  -48.96   99.62
    8.00  -64.19  175.93  -48.72  110.27
    9.00  -63.59  190.93  -47.92  120.58
   10.00  -63.14  205.93  -47.93  130.99
   11.00  -62.95  220.93  -48.81  141.52
   12.00  -62.98  235.93  -50.41  152.18
   13.00  -63.24  250.93  -52.62  162.91
   14.00  -63.72  265.93  -55.37  173.64
   15.00  -64.43  280.93  -58.66  184.26
   16.00  -65.36  295.93  -62.58  194.63
   17.00  -66.52  310.93  -67.11  204.89
   18.00  -66.49  325.93  -70.87  218.48
   19.00  -65.84  340.93  -74.03  236.95
   20.00  -64.26  355.93  -75.70  263.54
   21.00  -63.14   10.93  -76.07  295.88
   22.00  -61.58   25.93  -73.01  327.37
   23.00  -60.43   40.93  -68.11  350.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.04   55.93  -75.98   31.54
    1.00  -71.66   70.93  -72.39   46.45
    2.00  -72.54   85.93  -69.32   59.38
    3.00  -73.22  100.93  -66.56   70.17
    4.00  -75.12  115.93  -65.46   81.94
    5.00  -76.25  130.93  -64.36   91.22
    6.00  -76.25  145.93  -62.74   98.62
    7.00  -75.64  160.93  -60.99  105.75
    8.00  -76.12  175.93  -60.77  113.76
    9.00  -76.24  190.93  -60.63  121.49
   10.00  -76.04  205.93  -60.64  129.21
   11.00  -75.72  220.93  -61.02  137.09
   12.00  -75.44  235.93  -61.93  145.13
   13.00  -75.38  250.93  -63.48  153.10
   14.00  -75.25  265.93  -65.37  161.19
   15.00  -74.78  280.93  -67.39  169.96
   16.00  -74.68  295.93  -70.13  178.19
   17.00  -73.63  310.93  -72.62  189.35
   18.00  -73.46  325.93  -76.07  199.42
   19.00  -73.85  340.93  -80.05  208.77
   20.00  -73.36  355.93  -83.64  228.43
   21.00  -71.90   10.93  -85.51  281.90
   22.00  -71.74   25.93  -84.49  345.03
   23.00  -70.62   40.93  -79.80   11.79
</PRE>


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