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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>
29 Oct 1997 12:13:24 yearsecs  26050404
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.38  241.47  -48.65  157.38
    1.00  -61.05  256.47  -51.41  168.37
    2.00  -61.71  271.47  -54.49  179.45
    3.00  -62.37  286.47  -57.90  190.65
    4.00  -61.52  301.47  -60.35  203.87
    5.00  -62.59  316.47  -64.99  215.84
    6.00  -63.55  331.47  -69.65  229.75
    7.00  -64.06  346.47  -73.64  248.24
    8.00  -64.47    1.47  -76.76  273.96
    9.00  -63.96   16.47  -76.89  308.03
   10.00  -63.54   31.47  -74.31  338.91
   11.00  -63.35   46.47  -70.34    1.43
   12.00  -63.39   61.47  -66.30   18.67
   13.00  -63.65   76.47  -62.73   33.64
   14.00  -64.13   91.47  -59.70   47.66
   15.00  -64.84  106.47  -57.20   60.91
   16.00  -65.77  121.47  -55.39   73.22
   17.00  -66.93  136.47  -54.43   84.66
   18.00  -66.91  151.47  -52.89   94.67
   19.00  -66.26  166.47  -51.22  104.42
   20.00  -64.73  181.47  -49.12  114.20
   21.00  -63.62  196.47  -48.04  124.41
   22.00  -62.12  211.47  -47.27  135.00
   23.00  -60.97  226.47  -47.45  146.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.89  241.47  -59.22  150.92
    1.00  -72.59  256.47  -61.74  159.21
    2.00  -73.48  271.47  -64.75  166.83
    3.00  -74.23  286.47  -67.97  174.00
    4.00  -76.24  301.47  -72.27  176.95
    5.00  -77.20  316.47  -75.85  180.19
    6.00  -77.22  331.47  -79.10  185.35
    7.00  -76.65  346.47  -82.44  193.31
    8.00  -77.25    1.47  -85.99  184.60
    9.00  -77.22   16.47  -88.45  121.39
   10.00  -77.06   31.47  -85.78   60.82
   11.00  -76.75   46.47  -81.96   56.40
   12.00  -76.45   61.47  -78.04   59.56
   13.00  -76.35   76.47  -74.37   65.67
   14.00  -76.25   91.47  -70.98   72.29
   15.00  -75.78  106.47  -67.67   78.39
   16.00  -75.64  121.47  -65.08   85.62
   17.00  -74.49  136.47  -62.00   91.82
   18.00  -74.31  151.47  -60.34   99.72
   19.00  -74.78  166.47  -59.80  108.16
   20.00  -74.27  181.47  -58.74  116.14
   21.00  -72.77  196.47  -57.14  124.39
   22.00  -72.54  211.47  -57.37  133.03
   23.00  -71.53  226.47  -57.41  142.17
</PRE>


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