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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>
23 Feb 1997 01:35:50 yearsecs   4584950
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.35   52.67  -64.79    4.79
    1.00  -61.01   67.67  -61.69   21.28
    2.00  -61.68   82.67  -58.90   36.34
    3.00  -62.34   97.67  -56.34   50.51
    4.00  -61.48  112.67  -52.40   62.14
    5.00  -62.55  127.67  -51.06   74.90
    6.00  -63.52  142.67  -50.23   86.57
    7.00  -64.04  157.67  -49.50   97.46
    8.00  -64.51  172.67  -49.16  108.09
    9.00  -63.93  187.67  -48.26  118.36
   10.00  -63.52  202.67  -48.15  128.70
   11.00  -63.33  217.67  -48.90  139.14
   12.00  -63.36  232.67  -50.39  149.69
   13.00  -63.62  247.67  -52.51  160.31
   14.00  -64.10  262.67  -55.18  170.93
   15.00  -64.81  277.67  -58.39  181.42
   16.00  -65.74  292.67  -62.20  191.63
   17.00  -66.90  307.67  -66.64  201.59
   18.00  -66.88  322.67  -70.36  214.57
   19.00  -66.23  337.67  -73.59  231.94
   20.00  -64.69  352.67  -75.53  256.97
   21.00  -63.59    7.67  -76.43  288.31
   22.00  -62.09   22.67  -74.13  321.23
   23.00  -60.93   37.67  -69.61  346.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.78   52.67  -75.75   23.77
    1.00  -70.48   67.67  -72.22   40.34
    2.00  -71.39   82.67  -69.12   54.33
    3.00  -72.14   97.67  -66.29   66.03
    4.00  -74.32  112.67  -65.29   78.83
    5.00  -75.47  127.67  -64.04   88.49
    6.00  -75.29  142.67  -62.12   95.96
    7.00  -74.71  157.67  -60.27  103.37
    8.00  -75.31  172.67  -60.06  111.73
    9.00  -75.38  187.67  -59.77  119.69
   10.00  -75.27  202.67  -59.77  127.63
   11.00  -75.00  217.67  -60.12  135.69
   12.00  -74.73  232.67  -60.96  143.91
   13.00  -74.69  247.67  -62.47  152.08
   14.00  -74.63  262.67  -64.37  160.31
   15.00  -74.16  277.67  -66.34  169.26
   16.00  -74.07  292.67  -69.04  177.77
   17.00  -72.86  307.67  -71.34  189.40
   18.00  -72.71  322.67  -74.79  199.74
   19.00  -73.25  337.67  -78.88  209.08
   20.00  -72.66  352.67  -82.38  228.50
   21.00  -70.96    7.67  -84.18  273.79
   22.00  -70.65   22.67  -83.88  329.79
   23.00  -69.46   37.67  -79.53    1.97
</PRE>


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