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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>
24 Apr 1997 23:20:13 yearsecs   9847213
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.31   78.80  -64.04   38.56
    1.00  -66.08   93.80  -61.26   52.55
    2.00  -66.90  108.80  -58.86   65.29
    3.00  -67.70  123.80  -56.99   76.82
    4.00  -67.33  138.80  -54.57   86.53
    5.00  -68.00  153.80  -53.81   96.83
    6.00  -67.96  168.80  -52.81  106.58
    7.00  -68.37  183.80  -52.74  116.36
    8.00  -69.55  198.80  -53.96  125.87
    9.00  -70.06  213.80  -55.07  135.03
   10.00  -69.99  228.80  -56.16  144.31
   11.00  -69.52  243.80  -57.36  154.02
   12.00  -69.34  258.80  -59.23  163.85
   13.00  -69.44  273.80  -61.73  173.62
   14.00  -69.79  288.80  -64.86  183.14
   15.00  -70.40  303.80  -68.61  192.31
   16.00  -70.99  318.80  -72.65  201.83
   17.00  -71.07  333.80  -76.48  214.28
   18.00  -71.17  348.80  -80.37  231.02
   19.00  -70.48    3.80  -83.12  264.19
   20.00  -69.61   18.80  -83.12  315.01
   21.00  -68.77   33.80  -79.77  352.58
   22.00  -68.12   48.80  -75.17   14.19
   23.00  -66.71   63.80  -69.50   27.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.31   78.80  -69.13   48.86
    1.00  -71.48   93.80  -66.55   62.17
    2.00  -72.26  108.80  -64.12   73.13
    3.00  -77.91  123.80  -66.78   90.54
    4.00  -79.84  138.80  -66.83   99.97
    5.00  -80.24  153.80  -66.01  106.49
    6.00  -79.52  168.80  -64.49  112.11
    7.00  -78.45  183.80  -62.95  118.36
    8.00  -78.49  198.80  -62.98  125.34
    9.00  -78.38  213.80  -63.28  132.33
   10.00  -78.21  228.80  -63.96  139.42
   11.00  -78.31  243.80  -65.30  146.26
   12.00  -78.60  258.80  -67.18  152.56
   13.00  -78.43  273.80  -69.02  159.33
   14.00  -78.26  288.80  -71.22  165.92
   15.00  -78.09  303.80  -73.77  172.22
   16.00  -77.91  318.80  -76.62  178.07
   17.00  -77.73  333.80  -79.73  183.13
   18.00  -78.86  348.80  -82.90  174.64
   19.00  -79.15    3.80  -85.41  157.25
   20.00  -78.35   18.80  -87.16  112.43
   21.00  -76.50   33.80  -85.23   52.13
   22.00  -73.55   48.80  -79.92   35.99
   23.00  -71.71   63.80  -74.35   40.92
</PRE>


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