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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>
25 Jun 1997 14:12:28 yearsecs  15171148
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.69  226.50  -47.19  146.16
    1.00  -61.34  241.50  -49.56  156.97
    2.00  -62.00  256.50  -52.30  167.80
    3.00  -62.65  271.50  -55.34  178.72
    4.00  -61.84  286.50  -57.42  191.20
    5.00  -62.93  301.50  -61.65  202.22
    6.00  -63.82  316.50  -66.12  214.09
    7.00  -64.21  331.50  -70.26  228.67
    8.00  -64.58  346.50  -74.14  247.33
    9.00  -64.30    1.50  -76.59  274.27
   10.00  -63.87   16.50  -76.79  308.12
   11.00  -63.67   31.50  -74.45  339.09
   12.00  -63.69   46.50  -70.74    1.98
   13.00  -63.93   61.50  -66.95   19.62
   14.00  -64.40   76.50  -63.59   34.92
   15.00  -65.10   91.50  -60.74   49.14
   16.00  -66.02  106.50  -58.43   62.43
   17.00  -67.16  121.50  -56.81   74.68
   18.00  -67.14  136.50  -54.65   84.85
   19.00  -66.49  151.50  -52.46   94.45
   20.00  -64.97  166.50  -49.90  103.97
   21.00  -63.86  181.50  -48.25  114.07
   22.00  -62.40  196.50  -46.84  124.42
   23.00  -61.25  211.50  -46.43  135.15
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.58  226.50  -57.45  142.17
    1.00  -72.32  241.50  -59.62  150.62
    2.00  -73.21  256.50  -62.29  158.57
    3.00  -73.98  271.50  -65.17  166.12
    4.00  -76.06  286.50  -69.33  170.22
    5.00  -77.13  301.50  -72.81  174.35
    6.00  -76.96  316.50  -75.75  181.14
    7.00  -76.66  331.50  -78.93  188.38
    8.00  -76.96  346.50  -82.49  190.86
    9.00  -76.97    1.50  -86.06  188.74
   10.00  -76.86   16.50  -88.84  119.82
   11.00  -76.59   31.50  -85.83   53.84
   12.00  -76.30   46.50  -81.84   52.82
   13.00  -76.21   61.50  -77.93   58.37
   14.00  -76.14   76.50  -74.23   64.90
   15.00  -75.68   91.50  -70.55   70.71
   16.00  -75.55  106.50  -67.48   77.94
   17.00  -74.35  121.50  -63.88   83.65
   18.00  -74.17  136.50  -61.69   91.48
   19.00  -74.67  151.50  -60.69  100.03
   20.00  -74.15  166.50  -59.17  107.84
   21.00  -72.58  181.50  -57.02  115.76
   22.00  -72.29  196.50  -56.66  124.42
   23.00  -71.27  211.50  -56.13  133.35
</PRE>


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