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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>
30 Mar 1997 16:40:53 yearsecs   7663253
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.06  183.70  -48.42  115.63
    1.00  -64.72  198.70  -49.18  125.93
    2.00  -65.80  213.70  -50.97  135.90
    3.00  -66.90  228.70  -53.27  145.56
    4.00  -66.82  243.70  -54.90  155.67
    5.00  -67.86  258.70  -57.91  165.10
    6.00  -68.26  273.70  -60.70  174.93
    7.00  -69.19  288.70  -64.35  183.98
    8.00  -70.97  303.70  -69.04  191.08
    9.00  -72.40  318.70  -73.62  197.90
   10.00  -73.15  333.70  -77.81  206.33
   11.00  -71.72  348.70  -80.74  228.29
   12.00  -70.72    3.70  -83.32  262.88
   13.00  -70.17   18.70  -83.75  315.18
   14.00  -70.03   33.70  -81.09  356.61
   15.00  -70.25   48.70  -77.30   20.80
   16.00  -70.55   63.70  -73.37   37.12
   17.00  -70.37   78.70  -69.21   48.94
   18.00  -70.27   93.70  -65.45   59.72
   19.00  -69.36  108.70  -61.35   68.59
   20.00  -68.26  123.70  -57.58   77.35
   21.00  -67.21  138.70  -54.46   86.38
   22.00  -66.38  153.70  -52.17   95.87
   23.00  -65.47  168.70  -50.31  105.66
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.06  183.70  -53.43  116.42
    1.00  -70.38  198.70  -54.78  125.78
    2.00  -71.29  213.70  -56.27  134.66
    3.00  -77.30  228.70  -63.09  140.05
    4.00  -79.39  243.70  -66.27  144.90
    5.00  -79.87  258.70  -68.20  150.38
    6.00  -79.18  273.70  -69.55  157.68
    7.00  -78.15  288.70  -71.13  166.18
    8.00  -78.28  303.70  -73.85  171.55
    9.00  -78.33  318.70  -76.75  176.23
   10.00  -78.15  333.70  -79.79  180.62
   11.00  -78.14  348.70  -83.00  180.84
   12.00  -78.35    3.70  -85.95  166.19
   13.00  -78.09   18.70  -87.43  111.31
   14.00  -77.84   33.70  -85.05   69.56
   15.00  -77.59   48.70  -81.52   63.22
   16.00  -77.34   63.70  -77.85   64.98
   17.00  -77.09   78.70  -74.27   69.35
   18.00  -78.22   93.70  -71.88   78.98
   19.00  -78.49  108.70  -69.47   85.47
   20.00  -77.59  123.70  -66.52   89.95
   21.00  -75.56  138.70  -62.79   94.22
   22.00  -72.39  153.70  -58.24   99.53
   23.00  -70.47  168.70  -55.35  107.47
</PRE>


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