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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>
29 Sep 1997 13:18:34 yearsecs  23462314
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.49  230.38  -52.13  147.25
    1.00  -65.51  245.38  -53.93  157.59
    2.00  -66.42  260.38  -56.89  167.45
    3.00  -67.32  275.38  -60.18  177.13
    4.00  -66.98  290.38  -62.80  188.29
    5.00  -67.70  305.38  -66.78  198.43
    6.00  -67.65  320.38  -70.43  210.91
    7.00  -67.71  335.38  -74.28  225.79
    8.00  -68.51  350.38  -78.59  243.74
    9.00  -68.60    5.38  -81.50  274.87
   10.00  -68.31   20.38  -81.54  318.80
   11.00  -68.12   35.38  -78.69  353.79
   12.00  -68.15   50.38  -74.76   16.24
   13.00  -68.41   65.38  -70.86   32.79
   14.00  -68.89   80.38  -67.37   46.88
   15.00  -69.60   95.38  -64.43   59.66
   16.00  -70.39  110.38  -62.03   71.20
   17.00  -70.89  125.38  -59.95   81.33
   18.00  -70.87  140.38  -57.97   90.44
   19.00  -70.28  155.38  -55.99   99.17
   20.00  -69.38  170.38  -54.17  108.10
   21.00  -68.50  185.38  -52.85  117.39
   22.00  -67.73  200.38  -52.20  126.94
   23.00  -66.53  215.38  -51.78  136.86
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.49  230.38  -56.78  145.04
    1.00  -71.56  245.38  -59.39  153.52
    2.00  -72.42  260.38  -62.15  161.72
    3.00  -77.40  275.38  -68.49  162.13
    4.00  -79.47  290.38  -72.21  163.15
    5.00  -79.81  305.38  -74.83  166.58
    6.00  -79.04  320.38  -77.29  173.42
    7.00  -78.28  335.38  -80.16  180.08
    8.00  -78.58  350.38  -83.28  176.42
    9.00  -78.50    5.38  -86.12  161.00
   10.00  -78.53   20.38  -86.86  107.22
   11.00  -78.45   35.38  -84.48   75.04
   12.00  -78.66   50.38  -81.17   71.11
   13.00  -78.45   65.38  -77.82   71.14
   14.00  -78.36   80.38  -74.58   74.79
   15.00  -78.13   95.38  -71.51   79.34
   16.00  -78.15  110.38  -68.94   85.35
   17.00  -77.92  125.38  -66.58   91.25
   18.00  -78.67  140.38  -65.59   98.92
   19.00  -78.60  155.38  -64.30  105.45
   20.00  -77.65  170.38  -62.53  111.71
   21.00  -75.71  185.38  -60.14  118.54
   22.00  -73.23  200.38  -57.67  126.60
   23.00  -71.53  215.38  -56.60  135.59
</PRE>


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