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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 Mar 1997 14:12:30 yearsecs   6531150
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.10  222.03  -49.05  142.25
    1.00  -63.41  237.03  -50.94  152.78
    2.00  -64.05  252.03  -53.51  163.21
    3.00  -64.68  267.03  -56.40  173.67
    4.00  -64.41  282.03  -58.85  185.11
    5.00  -65.66  297.03  -63.09  195.08
    6.00  -65.98  312.03  -66.92  206.71
    7.00  -65.86  327.03  -70.60  220.85
    8.00  -66.25  342.03  -74.65  237.51
    9.00  -65.97  357.03  -77.59  262.36
   10.00  -65.55   12.03  -78.75  296.75
   11.00  -65.36   27.03  -77.31  332.16
   12.00  -65.40   42.03  -73.97  358.74
   13.00  -65.65   57.03  -70.18   18.07
   14.00  -66.13   72.03  -66.68   33.98
   15.00  -66.84   87.03  -63.64   48.30
   16.00  -67.77  102.03  -61.15   61.51
   17.00  -68.89  117.03  -59.32   73.59
   18.00  -68.88  132.03  -56.98   83.42
   19.00  -68.21  147.03  -54.61   92.57
   20.00  -66.93  162.03  -52.15  101.72
   21.00  -65.85  177.03  -50.36  111.41
   22.00  -64.71  192.03  -49.05  121.41
   23.00  -63.58  207.03  -48.42  131.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.36  222.03  -56.89  139.60
    1.00  -72.51  237.03  -59.32  147.86
    2.00  -73.51  252.03  -61.96  155.69
    3.00  -75.07  267.03  -65.38  162.04
    4.00  -77.72  282.03  -69.76  164.42
    5.00  -78.61  297.03  -72.83  168.07
    6.00  -77.96  312.03  -75.28  175.63
    7.00  -77.29  327.03  -78.14  183.58
    8.00  -77.88  342.03  -81.55  183.34
    9.00  -77.92  357.03  -84.83  179.49
   10.00  -78.05   12.03  -87.37  145.06
   11.00  -77.88   27.03  -86.45   79.24
   12.00  -77.59   42.03  -83.14   63.27
   13.00  -77.41   57.03  -79.47   63.45
   14.00  -77.55   72.03  -76.01   68.71
   15.00  -77.16   87.03  -72.52   73.03
   16.00  -77.06  102.03  -69.51   79.23
   17.00  -75.69  117.03  -65.80   83.48
   18.00  -75.54  132.03  -63.55   90.80
   19.00  -76.10  147.03  -62.50   99.02
   20.00  -75.44  162.03  -60.72  106.19
   21.00  -73.43  177.03  -58.00  113.43
   22.00  -72.46  192.03  -56.80  121.84
   23.00  -71.55  207.03  -56.20  130.65
</PRE>


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