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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 Jul 1997 22:21:48 yearsecs  16755708
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.84   93.11  -60.09   50.09
    1.00  -65.08  108.11  -57.12   62.49
    2.00  -66.11  123.11  -55.47   74.74
    3.00  -67.16  138.11  -54.47   85.95
    4.00  -67.03  153.11  -52.88   95.84
    5.00  -68.03  168.11  -52.91  106.16
    6.00  -68.38  183.11  -52.76  115.93
    7.00  -69.28  198.11  -53.68  125.45
    8.00  -71.05  213.11  -56.00  134.37
    9.00  -71.50  228.11  -57.52  143.17
   10.00  -70.47  243.11  -58.13  152.93
   11.00  -69.63  258.11  -59.38  163.15
   12.00  -69.14  273.11  -61.36  173.52
   13.00  -68.98  288.11  -64.05  183.88
   14.00  -69.14  303.11  -67.44  194.20
   15.00  -69.61  318.11  -71.43  204.70
   16.00  -70.09  333.11  -75.60  216.76
   17.00  -70.06  348.11  -79.35  234.78
   18.00  -70.07    3.11  -82.61  264.12
   19.00  -69.24   18.11  -82.75  312.56
   20.00  -68.23   33.11  -79.35  349.74
   21.00  -67.36   48.11  -74.55   11.36
   22.00  -66.81   63.11  -69.80   26.86
   23.00  -65.96   78.11  -64.92   39.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.26   93.11  -65.58   59.29
    1.00  -71.50  108.11  -63.53   71.45
    2.00  -72.35  123.11  -61.72   81.76
    3.00  -78.01  138.11  -65.20   97.03
    4.00  -79.97  153.11  -65.80  105.91
    5.00  -80.41  168.11  -65.41  112.45
    6.00  -79.75  183.11  -64.31  118.42
    7.00  -78.76  198.11  -63.25  125.00
    8.00  -78.84  213.11  -63.72  131.82
    9.00  -78.88  228.11  -64.56  138.58
   10.00  -78.71  243.11  -65.60  145.48
   11.00  -78.71  258.11  -67.19  152.09
   12.00  -78.93  273.11  -69.29  158.00
   13.00  -78.70  288.11  -71.39  164.48
   14.00  -78.47  303.11  -73.84  170.67
   15.00  -78.25  318.11  -76.60  176.40
   16.00  -78.02  333.11  -79.64  181.24
   17.00  -77.79  348.11  -82.89  183.96
   18.00  -78.87    3.11  -85.51  161.28
   19.00  -79.13   18.11  -86.37  117.88
   20.00  -78.29   33.11  -85.02   75.39
   21.00  -76.38   48.11  -81.44   54.05
   22.00  -73.41   63.11  -75.86   46.66
   23.00  -71.60   78.11  -70.46   51.60
</PRE>


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