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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>
13 Mar 1997 15:00:55 yearsecs   6188455
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.27  210.08  -48.29  133.85
    1.00  -63.49  225.08  -49.71  144.28
    2.00  -64.17  240.08  -52.02  154.59
    3.00  -64.84  255.08  -54.67  164.88
    4.00  -64.58  270.08  -56.83  176.00
    5.00  -65.80  285.08  -60.69  185.85
    6.00  -66.10  300.08  -64.16  196.83
    7.00  -65.97  315.08  -67.67  209.35
    8.00  -66.67  330.08  -72.07  222.37
    9.00  -66.13  345.08  -75.26  242.01
   10.00  -65.69    0.08  -77.82  269.01
   11.00  -65.50   15.08  -78.68  304.32
   12.00  -65.53   30.08  -76.95  338.59
   13.00  -65.79   45.08  -73.62    3.81
   14.00  -66.27   60.08  -70.04   22.61
   15.00  -66.98   75.08  -66.79   38.41
   16.00  -67.91   90.08  -64.01   52.64
   17.00  -69.01  105.08  -61.75   65.57
   18.00  -68.98  120.08  -58.89   75.73
   19.00  -68.33  135.08  -56.03   84.90
   20.00  -67.07  150.08  -53.17   93.84
   21.00  -65.99  165.08  -51.02  103.38
   22.00  -64.87  180.08  -49.30  113.28
   23.00  -63.78  195.08  -48.17  123.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.71  210.08  -55.51  132.62
    1.00  -71.87  225.08  -57.61  141.20
    2.00  -72.88  240.08  -59.97  149.38
    3.00  -74.70  255.08  -63.40  156.09
    4.00  -77.39  270.08  -67.69  159.72
    5.00  -78.24  285.08  -70.60  164.45
    6.00  -77.54  300.08  -72.78  172.51
    7.00  -76.83  315.08  -75.39  181.05
    8.00  -77.69  330.08  -78.92  182.42
    9.00  -77.50  345.08  -82.21  186.37
   10.00  -77.55    0.08  -85.59  181.65
   11.00  -77.39   15.08  -88.26  132.74
   12.00  -77.15   30.08  -86.10   63.33
   13.00  -76.98   45.08  -82.35   57.97
   14.00  -77.13   60.08  -78.65   62.71
   15.00  -76.75   75.08  -74.91   66.58
   16.00  -76.70   90.08  -71.59   72.94
   17.00  -75.39  105.08  -67.60   76.89
   18.00  -75.30  120.08  -64.97   84.37
   19.00  -75.81  135.08  -63.44   92.68
   20.00  -75.11  150.08  -61.26   99.66
   21.00  -73.06  165.08  -58.15  106.49
   22.00  -71.97  180.08  -56.44  114.79
   23.00  -70.97  195.08  -55.31  123.58
</PRE>


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