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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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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
20 Dec 1997 15:13:22 yearsecs  30554002
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.85  198.73  -50.30  125.93
    1.00  -65.50  213.73  -50.68  135.97
    2.00  -66.41  228.73  -52.82  145.77
    3.00  -67.31  243.73  -55.35  155.39
    4.00  -66.98  258.73  -57.13  165.85
    5.00  -67.70  273.73  -60.22  175.55
    6.00  -67.65  288.73  -63.04  186.19
    7.00  -67.71  303.73  -66.39  197.15
    8.00  -68.55  318.73  -70.74  207.58
    9.00  -68.51  333.73  -74.52  221.90
   10.00  -68.30  348.73  -78.03  241.76
   11.00  -68.11    3.73  -80.78  271.93
   12.00  -68.14   18.73  -81.49  313.95
   13.00  -68.40   33.73  -79.39  351.40
   14.00  -68.88   48.73  -75.97   16.30
   15.00  -69.59   63.73  -72.48   34.35
   16.00  -70.38   78.73  -69.21   48.97
   17.00  -70.89   93.73  -66.02   60.93
   18.00  -70.86  108.73  -62.80   70.84
   19.00  -70.28  123.73  -59.59   79.59
   20.00  -69.37  138.73  -56.66   88.14
   21.00  -68.49  153.73  -54.31   97.07
   22.00  -67.72  168.73  -52.57  106.45
   23.00  -66.85  183.73  -51.21  116.07
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.83  198.73  -56.24  125.73
    1.00  -72.88  213.73  -57.82  134.24
    2.00  -73.73  228.73  -59.68  142.36
    3.00  -78.37  243.73  -65.35  146.15
    4.00  -80.31  258.73  -68.56  149.59
    5.00  -80.66  273.73  -70.59  154.27
    6.00  -80.04  288.73  -72.28  160.91
    7.00  -79.30  303.73  -74.33  168.01
    8.00  -79.52  318.73  -77.10  170.82
    9.00  -79.41  333.73  -79.90  173.03
   10.00  -79.39  348.73  -82.74  170.26
   11.00  -79.28    3.73  -85.30  156.18
   12.00  -79.45   18.73  -86.01  116.83
   13.00  -79.22   33.73  -84.43   84.47
   14.00  -79.11   48.73  -81.50   74.60
   15.00  -78.87   63.73  -78.28   73.02
   16.00  -78.86   78.73  -75.15   76.28
   17.00  -78.62   93.73  -72.13   80.20
   18.00  -79.30  108.73  -70.07   87.47
   19.00  -79.24  123.73  -67.95   93.00
   20.00  -78.38  138.73  -65.48   97.80
   21.00  -76.59  153.73  -62.43  102.82
   22.00  -74.30  168.73  -59.21  109.14
   23.00  -72.75  183.73  -57.15  117.08
</PRE>


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