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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>
13 Apr 1997 03:32:05 yearsecs   8825525
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.45   18.27  -71.55  312.39
    1.00  -60.56   33.27  -70.23  339.39
    2.00  -61.60   48.27  -67.63    1.23
    3.00  -66.69   63.27  -69.63   26.77
    4.00  -66.50   78.27  -65.46   40.26
    5.00  -67.38   93.27  -62.72   54.23
    6.00  -67.46  108.27  -59.54   65.64
    7.00  -67.38  123.27  -56.75   76.13
    8.00  -68.02  138.27  -55.33   86.73
    9.00  -67.76  153.27  -53.61   96.35
   10.00  -67.37  168.27  -52.24  106.02
   11.00  -67.18  183.27  -51.55  115.83
   12.00  -67.21  198.27  -51.64  125.60
   13.00  -67.47  213.27  -52.55  135.28
   14.00  -67.96  228.27  -54.22  144.85
   15.00  -68.67  243.27  -56.52  154.24
   16.00  -69.58  258.27  -59.36  163.30
   17.00  -69.94  273.27  -62.07  172.67
   18.00  -70.23  288.27  -65.13  182.10
   19.00  -69.64  303.27  -67.89  193.39
   20.00  -68.18  318.27  -70.33  207.96
   21.00  -65.50  333.27  -71.86  228.28
   22.00  -62.74  348.27  -72.75  253.19
   23.00  -60.55    3.27  -72.84  282.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.45   18.27  -77.34  312.15
    1.00  -65.56   33.27  -76.30  344.70
    2.00  -66.60   48.27  -73.66    9.75
    3.00  -72.24   63.27  -74.93   42.34
    4.00  -75.05   78.27  -73.11   61.99
    5.00  -75.16   93.27  -69.78   70.27
    6.00  -74.77  108.27  -66.48   77.30
    7.00  -74.23  123.27  -63.50   84.41
    8.00  -75.00  138.27  -62.30   93.36
    9.00  -74.86  153.27  -60.75  101.14
   10.00  -75.32  168.27  -60.26  109.41
   11.00  -75.10  183.27  -59.54  117.31
   12.00  -75.37  198.27  -59.79  125.30
   13.00  -75.15  213.27  -60.04  133.29
   14.00  -75.21  228.27  -61.05  141.23
   15.00  -74.93  243.27  -62.20  149.47
   16.00  -75.27  258.27  -64.31  157.11
   17.00  -74.94  273.27  -66.23  165.58
   18.00  -75.27  288.27  -69.08  172.83
   19.00  -74.64  303.27  -71.61  182.24
   20.00  -73.18  318.27  -74.04  195.26
   21.00  -70.50  333.27  -75.94  215.64
   22.00  -67.74  348.27  -77.44  242.69
   23.00  -65.55    3.27  -78.11  276.09
</PRE>


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