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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>
25 Jun 1997 10:49:44 yearsecs  15158984
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.56  270.48  -54.18  178.80
    1.00  -62.15  285.48  -57.50  190.08
    2.00  -62.75  300.48  -61.26  201.58
    3.00  -63.35  315.48  -65.44  213.84
    4.00  -62.78  330.48  -68.69  229.87
    5.00  -63.98  345.48  -73.35  246.93
    6.00  -64.58    0.48  -76.74  271.75
    7.00  -64.83   15.48  -77.92  305.51
    8.00  -65.45   30.48  -76.77  339.26
    9.00  -64.81   45.48  -72.37    2.50
   10.00  -64.40   60.48  -67.77   19.37
   11.00  -64.20   75.48  -63.62   33.65
   12.00  -64.24   90.48  -60.04   46.97
   13.00  -64.50  105.48  -57.04   59.70
   14.00  -64.98  120.48  -54.73   71.71
   15.00  -65.69  135.48  -53.28   83.01
   16.00  -66.62  150.48  -52.68   93.84
   17.00  -67.77  165.48  -52.80  104.34
   18.00  -67.78  180.48  -52.20  114.11
   19.00  -67.11  195.48  -51.47  123.78
   20.00  -65.68  210.48  -50.64  133.77
   21.00  -64.57  225.48  -50.77  144.21
   22.00  -63.24  240.48  -51.21  155.32
   23.00  -62.07  255.48  -52.21  166.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.72  270.48  -60.54  172.22
    1.00  -69.67  285.48  -64.10  181.10
    2.00  -70.62  300.48  -68.03  189.60
    3.00  -71.52  315.48  -72.22  198.02
    4.00  -73.78  330.48  -77.37  201.32
    5.00  -75.48  345.48  -81.90  201.86
    6.00  -75.19    0.48  -85.69  215.35
    7.00  -74.61   15.48  -88.70  296.85
    8.00  -75.67   30.48  -86.04   39.29
    9.00  -75.58   45.48  -81.89   46.88
   10.00  -75.63   60.48  -77.91   54.94
   11.00  -75.45   75.48  -74.05   61.88
   12.00  -75.15   90.48  -70.37   68.76
   13.00  -75.08  105.48  -67.26   76.44
   14.00  -75.18  120.48  -64.80   84.38
   15.00  -74.75  135.48  -62.37   91.59
   16.00  -74.64  150.48  -60.76   99.46
   17.00  -73.09  165.48  -58.15  106.73
   18.00  -72.78  180.48  -57.24  115.21
   19.00  -73.38  195.48  -57.74  123.83
   20.00  -72.67  210.48  -57.46  132.43
   21.00  -70.58  225.48  -56.42  142.00
   22.00  -69.89  240.48  -57.29  151.67
   23.00  -68.72  255.48  -58.20  162.21
</PRE>


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