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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>
12 Jul 1997 22:33:48 yearsecs  16670028
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.47   90.14  -61.45   48.57
    1.00  -65.61  105.14  -58.28   60.86
    2.00  -66.52  120.14  -56.39   73.05
    3.00  -67.44  135.14  -55.12   84.19
    4.00  -67.18  150.14  -53.27   93.95
    5.00  -68.00  165.14  -53.04  104.21
    6.00  -68.14  180.14  -52.57  113.97
    7.00  -68.78  195.14  -53.13  123.59
    8.00  -70.13  210.14  -54.94  132.77
    9.00  -70.54  225.14  -56.36  141.81
   10.00  -69.86  240.14  -57.23  151.47
   11.00  -69.29  255.14  -58.65  161.51
   12.00  -69.03  270.14  -60.75  171.65
   13.00  -69.05  285.14  -63.51  181.74
   14.00  -69.35  300.14  -66.93  191.69
   15.00  -69.92  315.14  -70.94  201.63
   16.00  -70.49  330.14  -75.13  212.72
   17.00  -70.52  345.14  -78.97  228.84
   18.00  -70.60    0.14  -82.53  254.43
   19.00  -69.85   15.14  -83.51  302.58
   20.00  -68.92   30.14  -80.74  345.26
   21.00  -68.11   45.14  -76.16    9.32
   22.00  -67.51   60.14  -71.37   25.46
   23.00  -66.63   75.14  -66.41   37.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.07   90.14  -67.92   61.02
    1.00  -73.23  105.14  -65.71   72.65
    2.00  -74.05  120.14  -63.81   82.45
    3.00  -79.20  135.14  -66.61   97.50
    4.00  -81.00  150.14  -66.99  105.99
    5.00  -81.43  165.14  -66.56  112.10
    6.00  -80.88  180.14  -65.52  117.58
    7.00  -80.04  195.14  -64.54  123.63
    8.00  -80.18  210.14  -64.96  129.97
    9.00  -80.14  225.14  -65.58  136.29
   10.00  -79.85  240.14  -66.37  142.84
   11.00  -79.83  255.14  -67.78  149.02
   12.00  -79.99  270.14  -69.66  154.54
   13.00  -79.76  285.14  -71.57  160.52
   14.00  -79.52  300.14  -73.82  166.13
   15.00  -79.29  315.14  -76.38  171.10
   16.00  -79.06  330.14  -79.18  174.85
   17.00  -78.83  345.14  -82.17  175.94
   18.00  -79.80    0.14  -84.43  157.08
   19.00  -80.02   15.14  -85.45  126.63
   20.00  -79.23   30.14  -85.02   89.42
   21.00  -77.52   45.14  -82.38   62.51
   22.00  -74.86   60.14  -77.59   51.01
   23.00  -73.25   75.14  -72.57   54.28
</PRE>


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