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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>
03 Aug 1997 13:03:20 yearsecs  18536600
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.10  241.19  -45.44  158.57
    1.00  -57.37  256.19  -47.90  170.25
    2.00  -57.62  271.19  -50.66  182.22
    3.00  -57.85  286.19  -53.67  194.54
    4.00  -58.06  301.19  -57.03  207.28
    5.00  -58.67  316.19  -61.19  220.45
    6.00  -60.45  331.19  -66.63  234.01
    7.00  -61.87  346.19  -71.45  251.38
    8.00  -61.30    1.19  -73.42  277.37
    9.00  -61.01   16.19  -73.54  308.01
   10.00  -60.82   31.19  -71.04  336.20
   11.00  -60.82   46.19  -67.20  357.71
   12.00  -61.00   61.19  -63.36   14.78
   13.00  -61.39   76.19  -60.07   29.95
   14.00  -61.97   91.19  -57.32   44.38
   15.00  -62.76  106.19  -55.04   58.19
   16.00  -63.75  121.19  -53.33   71.06
   17.00  -64.95  136.19  -52.43   82.95
   18.00  -65.24  151.19  -51.21   93.54
   19.00  -63.92  166.19  -48.86  103.39
   20.00  -62.31  181.19  -46.70  113.59
   21.00  -61.08  196.19  -45.53  124.18
   22.00  -59.21  211.19  -44.43  135.22
   23.00  -58.07  226.19  -44.62  146.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.18  241.19  -62.20  148.12
    1.00  -76.05  256.19  -64.70  155.03
    2.00  -76.87  271.19  -67.45  161.20
    3.00  -77.37  286.19  -70.20  167.06
    4.00  -78.09  301.19  -73.29  171.24
    5.00  -79.16  316.19  -76.53  171.94
    6.00  -79.25  331.19  -79.41  173.87
    7.00  -78.38  346.19  -82.44  179.32
    8.00  -78.24    1.19  -85.55  171.55
    9.00  -78.39   16.19  -87.20  124.14
   10.00  -77.88   31.19  -85.59   72.64
   11.00  -77.52   46.19  -82.13   62.48
   12.00  -77.26   61.19  -78.42   63.73
   13.00  -77.02   76.19  -74.81   68.10
   14.00  -76.95   91.19  -71.53   74.16
   15.00  -76.73  106.19  -68.51   80.33
   16.00  -76.94  121.19  -66.29   87.67
   17.00  -77.06  136.19  -64.50   94.85
   18.00  -76.81  151.19  -62.84  101.77
   19.00  -76.10  166.19  -61.15  108.75
   20.00  -75.91  181.19  -60.41  116.40
   21.00  -75.37  196.19  -59.77  124.19
   22.00  -75.56  211.19  -60.35  132.06
   23.00  -74.96  226.19  -60.65  140.27
</PRE>


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