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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>
25 Mar 1997 03:58:25 yearsecs   7185505
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.11   13.21  -70.37  302.89
    1.00  -59.32   28.21  -69.80  330.43
    2.00  -60.41   43.21  -67.48  353.48
    3.00  -64.44   58.21  -68.44   17.04
    4.00  -65.49   73.21  -65.66   33.84
    5.00  -66.56   88.21  -63.07   48.79
    6.00  -66.76  103.21  -59.88   60.94
    7.00  -66.74  118.21  -56.94   71.91
    8.00  -67.30  133.21  -55.22   82.78
    9.00  -66.85  148.21  -53.12   92.47
   10.00  -66.44  163.21  -51.58  102.29
   11.00  -66.25  178.21  -50.73  112.30
   12.00  -66.28  193.21  -50.62  122.27
   13.00  -66.54  208.21  -51.35  132.14
   14.00  -67.02  223.21  -52.87  141.88
   15.00  -67.73  238.21  -55.06  151.47
   16.00  -68.54  253.21  -57.71  160.86
   17.00  -67.61  268.21  -59.19  171.83
   18.00  -67.68  283.21  -61.95  182.23
   19.00  -67.52  298.21  -64.96  193.30
   20.00  -66.15  313.21  -67.35  207.44
   21.00  -63.23  328.21  -68.53  226.69
   22.00  -60.96  343.21  -69.92  248.41
   23.00  -58.99  358.21  -70.62  274.18
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.11   13.21  -76.04  300.95
    1.00  -64.32   28.21  -75.89  333.54
    2.00  -65.41   43.21  -73.68    0.46
    3.00  -69.44   58.21  -73.87   28.59
    4.00  -72.74   73.21  -72.67   51.40
    5.00  -72.85   88.21  -69.04   61.59
    6.00  -72.45  103.21  -65.40   70.06
    7.00  -71.93  118.21  -62.11   78.29
    8.00  -73.22  133.21  -61.16   88.59
    9.00  -73.07  148.21  -59.39   96.90
   10.00  -73.59  163.21  -58.79  105.71
   11.00  -73.45  178.21  -57.98  114.10
   12.00  -73.52  193.21  -57.87  122.55
   13.00  -73.38  208.21  -58.06  130.99
   14.00  -73.61  223.21  -59.13  139.32
   15.00  -73.29  238.21  -60.16  148.00
   16.00  -73.54  253.21  -62.13  156.33
   17.00  -72.61  268.21  -63.50  166.14
   18.00  -72.68  283.21  -66.14  174.95
   19.00  -72.52  298.21  -69.01  184.31
   20.00  -71.15  313.21  -71.40  197.32
   21.00  -68.23  328.21  -72.89  216.95
   22.00  -65.96  343.21  -74.68  239.74
   23.00  -63.99  358.21  -75.81  268.22
</PRE>


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