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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
17 Sep 1997 03:47:22 yearsecs  22391242
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.56   13.11  -69.74  302.88
    1.00  -58.82   28.11  -69.19  330.06
    2.00  -59.71   43.11  -66.58  352.63
    3.00  -66.94   58.11  -71.32   22.01
    4.00  -67.13   73.11  -67.46   36.96
    5.00  -67.79   88.11  -64.36   50.88
    6.00  -67.70  103.11  -60.85   62.20
    7.00  -67.90  118.11  -58.14   73.14
    8.00  -68.70  133.11  -56.67   83.95
    9.00  -68.86  148.11  -55.17   93.70
   10.00  -68.60  163.11  -53.77  103.16
   11.00  -68.41  178.11  -52.90  112.73
   12.00  -68.44  193.11  -52.77  122.30
   13.00  -68.70  208.11  -53.45  131.76
   14.00  -69.19  223.11  -54.91  141.08
   15.00  -69.28  238.11  -56.47  150.54
   16.00  -69.33  253.11  -58.40  160.16
   17.00  -69.12  268.11  -60.49  170.21
   18.00  -70.10  283.11  -64.00  178.90
   19.00  -70.02  298.11  -67.02  189.09
   20.00  -68.66  313.11  -69.44  202.71
   21.00  -65.90  328.11  -70.91  221.86
   22.00  -62.10  343.11  -71.01  246.65
   23.00  -59.45  358.11  -71.09  273.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.56   13.11  -75.43  300.98
    1.00  -63.82   28.11  -75.31  332.90
    2.00  -64.71   43.11  -72.88  359.07
    3.00  -71.94   58.11  -76.12   36.91
    4.00  -74.68   73.11  -74.12   57.81
    5.00  -74.91   88.11  -70.72   66.86
    6.00  -74.33  103.11  -67.08   73.65
    7.00  -73.32  118.11  -63.44   80.23
    8.00  -73.84  133.11  -61.78   89.26
    9.00  -73.96  148.11  -60.28   97.59
   10.00  -74.04  163.11  -59.25  105.92
   11.00  -74.16  178.11  -58.71  114.25
   12.00  -74.62  193.11  -58.98  122.54
   13.00  -74.48  208.11  -59.15  130.69
   14.00  -74.44  223.11  -59.93  138.87
   15.00  -74.28  238.11  -61.06  147.20
   16.00  -74.33  253.11  -62.82  155.43
   17.00  -74.12  268.11  -64.75  164.02
   18.00  -75.10  283.11  -68.02  170.50
   19.00  -75.02  298.11  -70.80  178.54
   20.00  -73.66  313.11  -73.14  190.57
   21.00  -70.90  328.11  -74.92  209.65
   22.00  -67.10  343.11  -75.66  236.92
   23.00  -64.45  358.11  -76.25  267.29
</PRE>


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