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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>
01 May 1997 01:31:49 yearsecs  10373509
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.91   46.55  -69.76    0.88
    1.00  -63.52   61.55  -66.43   18.98
    2.00  -64.21   76.55  -63.36   34.66
    3.00  -64.90   91.55  -60.52   48.88
    4.00  -64.64  106.55  -56.98   60.74
    5.00  -65.86  121.55  -55.46   73.38
    6.00  -66.15  136.55  -53.63   84.11
    7.00  -66.02  151.55  -51.98   94.23
    8.00  -66.37  166.55  -51.32  104.52
    9.00  -66.17  181.55  -50.56  114.52
   10.00  -65.75  196.55  -50.15  124.48
   11.00  -65.56  211.55  -50.59  134.51
   12.00  -65.59  226.55  -51.83  144.61
   13.00  -65.85  241.55  -53.74  154.75
   14.00  -66.33  256.55  -56.23  164.85
   15.00  -67.03  271.55  -59.25  174.74
   16.00  -67.96  286.55  -62.86  184.22
   17.00  -68.53  301.55  -66.58  194.14
   18.00  -68.50  316.55  -70.16  205.85
   19.00  -68.37  331.55  -73.86  219.97
   20.00  -67.12  346.55  -76.49  241.76
   21.00  -65.89    1.55  -78.23  271.76
   22.00  -64.55   16.55  -77.55  308.13
   23.00  -63.30   31.55  -74.01  338.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.91   46.55  -75.56   10.71
    1.00  -69.14   61.55  -72.64   31.04
    2.00  -70.20   76.55  -69.61   46.85
    3.00  -72.32   91.55  -67.81   62.49
    4.00  -75.34  106.55  -67.29   77.54
    5.00  -76.24  121.55  -65.61   86.64
    6.00  -75.32  136.55  -62.80   92.84
    7.00  -74.39  151.55  -60.41   99.83
    8.00  -75.08  166.55  -60.10  108.36
    9.00  -75.18  181.55  -59.66  116.41
   10.00  -75.48  196.55  -59.88  124.39
   11.00  -75.36  211.55  -60.17  132.31
   12.00  -75.17  226.55  -60.88  140.34
   13.00  -75.05  241.55  -62.12  148.44
   14.00  -75.28  256.55  -64.09  156.19
   15.00  -74.91  271.55  -65.94  164.70
   16.00  -74.92  286.55  -68.51  172.66
   17.00  -73.53  301.55  -70.47  184.06
   18.00  -73.50  316.55  -73.84  193.18
   19.00  -74.09  331.55  -77.81  200.73
   20.00  -73.30  346.55  -81.19  217.06
   21.00  -70.89    1.55  -83.08  256.41
   22.00  -69.55   16.55  -83.15  307.51
   23.00  -68.30   31.55  -79.77  346.72
</PRE>


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