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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 Mar 1997 15:57:34 yearsecs   7228654
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.62  195.81  -46.05  123.93
    1.00  -62.21  210.81  -47.31  134.52
    2.00  -62.81  225.81  -49.14  145.01
    3.00  -63.40  240.81  -51.40  155.49
    4.00  -62.85  255.81  -52.97  166.75
    5.00  -64.05  270.81  -56.49  177.01
    6.00  -64.69  285.81  -59.85  187.68
    7.00  -64.86  300.81  -63.24  199.15
    8.00  -65.49  315.81  -67.43  210.82
    9.00  -64.89  330.81  -70.70  226.69
   10.00  -64.44  345.81  -73.86  246.59
   11.00  -64.25    0.81  -76.45  272.95
   12.00  -64.28   15.81  -77.29  306.45
   13.00  -64.54   30.81  -75.63  338.78
   14.00  -65.02   45.81  -72.52    3.34
   15.00  -65.73   60.81  -69.23   22.26
   16.00  -66.66   75.81  -66.26   38.42
   17.00  -67.82   90.81  -63.74   53.05
   18.00  -67.83  105.81  -60.41   64.37
   19.00  -67.15  120.81  -56.92   74.19
   20.00  -65.73  135.81  -53.28   83.28
   21.00  -64.62  150.81  -50.61   92.95
   22.00  -63.30  165.81  -48.25  102.91
   23.00  -62.12  180.81  -46.52  113.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.13  195.81  -54.49  124.02
    1.00  -71.12  210.81  -55.95  132.98
    2.00  -72.09  225.81  -57.88  141.53
    3.00  -73.02  240.81  -60.19  149.69
    4.00  -75.58  255.81  -64.26  155.43
    5.00  -76.67  270.81  -67.24  161.36
    6.00  -76.19  285.81  -69.31  169.59
    7.00  -75.44  300.81  -71.63  178.84
    8.00  -76.27  315.81  -75.27  183.47
    9.00  -76.02  330.81  -78.54  191.34
   10.00  -75.98  345.81  -82.14  198.35
   11.00  -75.81    0.81  -85.92  206.77
   12.00  -75.50   15.81  -89.68  290.46
   13.00  -75.43   30.81  -85.89   35.91
   14.00  -75.54   45.81  -81.78   46.71
   15.00  -75.11   60.81  -77.55   52.58
   16.00  -75.00   75.81  -73.67   60.47
   17.00  -73.54   90.81  -69.02   64.88
   18.00  -73.37  105.81  -65.70   73.29
   19.00  -74.08  120.81  -63.73   82.87
   20.00  -73.53  135.81  -61.14   90.39
   21.00  -71.67  150.81  -57.76   97.33
   22.00  -71.09  165.81  -56.12  105.97
   23.00  -70.08  180.81  -54.51  114.80
</PRE>


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