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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>
19 Apr 1997 00:33:51 yearsecs   9333231
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.51   61.50  -65.21   17.31
    1.00  -63.05   76.50  -62.02   32.73
    2.00  -63.60   91.50  -59.10   46.92
    3.00  -64.14  106.50  -56.46   60.09
    4.00  -63.81  121.50  -53.34   71.36
    5.00  -65.11  136.50  -52.56   83.29
    6.00  -65.52  151.50  -51.47   93.91
    7.00  -65.44  166.50  -50.39  104.14
    8.00  -66.14  181.50  -50.54  114.48
    9.00  -65.51  196.50  -49.91  124.45
   10.00  -65.08  211.50  -50.13  134.55
   11.00  -64.89  226.50  -51.18  144.81
   12.00  -64.93  241.50  -52.89  155.21
   13.00  -65.19  256.50  -55.20  165.66
   14.00  -65.67  271.50  -58.04  176.05
   15.00  -66.38  286.50  -61.47  186.22
   16.00  -67.31  301.50  -65.53  196.10
   17.00  -68.46  316.50  -70.12  205.88
   18.00  -68.27  331.50  -73.76  220.18
   19.00  -67.80  346.50  -77.08  239.86
   20.00  -66.46    1.50  -78.80  270.54
   21.00  -65.35   16.50  -78.47  307.87
   22.00  -64.15   31.50  -75.03  339.61
   23.00  -62.96   46.50  -69.85    0.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.34   61.50  -72.85   31.56
    1.00  -70.55   76.50  -69.94   47.68
    2.00  -71.59   91.50  -67.17   60.86
    3.00  -72.67  106.50  -64.93   72.44
    4.00  -75.62  121.50  -65.06   85.61
    5.00  -76.70  136.50  -64.13   94.53
    6.00  -75.93  151.50  -61.95  101.12
    7.00  -75.07  166.50  -60.10  108.33
    8.00  -75.72  181.50  -60.21  116.52
    9.00  -75.77  196.50  -60.18  124.35
   10.00  -75.95  211.50  -60.76  132.10
   11.00  -75.86  226.50  -61.53  139.91
   12.00  -75.52  241.50  -62.55  147.99
   13.00  -75.42  256.50  -64.21  155.99
   14.00  -75.66  271.50  -66.54  163.45
   15.00  -75.26  286.50  -68.75  171.94
   16.00  -75.14  301.50  -71.57  179.99
   17.00  -73.46  316.50  -73.80  193.27
   18.00  -73.27  331.50  -77.33  204.15
   19.00  -74.14  346.50  -81.62  211.79
   20.00  -73.55    1.50  -85.16  236.87
   21.00  -71.36   16.50  -85.16  307.35
   22.00  -70.48   31.50  -82.06  353.71
   23.00  -69.51   46.50  -77.22   15.45
</PRE>


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