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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>
20 Aug 1997 16:21:12 yearsecs  20017272
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.32  190.48  -47.66  120.25
    1.00  -63.45  205.48  -48.20  130.64
    2.00  -64.16  220.48  -49.92  140.88
    3.00  -64.87  235.48  -52.11  151.03
    4.00  -64.61  250.48  -53.80  161.74
    5.00  -65.80  265.48  -57.15  171.59
    6.00  -66.07  280.48  -60.03  182.16
    7.00  -65.93  295.48  -62.98  193.52
    8.00  -66.62  310.48  -67.08  204.34
    9.00  -66.25  325.48  -70.55  218.51
   10.00  -65.84  340.48  -73.92  236.36
   11.00  -65.59  355.48  -76.94  260.21
   12.00  -65.60   10.48  -78.76  292.89
   13.00  -65.85   25.48  -78.13  329.30
   14.00  -66.33   40.48  -75.45  358.23
   15.00  -67.04   55.48  -72.15   19.36
   16.00  -67.97   70.48  -69.04   36.43
   17.00  -69.07   85.48  -66.27   51.26
   18.00  -69.02  100.48  -62.73   62.32
   19.00  -68.37  115.48  -59.08   71.90
   20.00  -67.13  130.48  -55.42   80.80
   21.00  -66.05  145.48  -52.55   90.12
   22.00  -64.93  160.48  -50.22   99.80
   23.00  -63.85  175.48  -48.40  109.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.15  190.48  -57.50  120.99
    1.00  -74.22  205.48  -58.80  129.31
    2.00  -75.16  220.48  -60.45  137.11
    3.00  -76.99  235.48  -63.33  143.62
    4.00  -79.32  250.48  -66.86  147.88
    5.00  -80.07  265.48  -69.14  152.63
    6.00  -79.53  280.48  -70.75  159.45
    7.00  -79.01  295.48  -72.78  166.29
    8.00  -79.77  310.48  -75.69  168.02
    9.00  -79.59  325.48  -78.36  171.53
   10.00  -79.60  340.48  -81.17  171.26
   11.00  -79.43  355.48  -83.93  165.45
   12.00  -79.19   10.48  -86.12  141.61
   13.00  -78.98   25.48  -85.89   95.93
   14.00  -79.04   40.48  -83.22   77.10
   15.00  -78.66   55.48  -80.05   71.03
   16.00  -78.59   70.48  -76.76   72.94
   17.00  -77.48   85.48  -73.04   73.44
   18.00  -77.38  100.48  -70.04   79.35
   19.00  -77.70  115.48  -67.79   86.54
   20.00  -77.02  130.48  -65.13   92.12
   21.00  -75.20  145.48  -61.75   97.33
   22.00  -74.20  160.48  -59.57  104.56
   23.00  -73.34  175.48  -57.96  112.52
</PRE>


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