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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
13 Sep 1997 13:10:48 yearsecs  22079448
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.74  234.99  -48.19  152.40
    1.00  -61.39  249.99  -50.76  163.27
    2.00  -62.03  264.99  -53.68  174.22
    3.00  -62.67  279.99  -56.91  185.26
    4.00  -61.91  294.99  -59.26  198.02
    5.00  -63.02  309.99  -63.77  209.36
    6.00  -63.89  324.99  -68.33  222.24
    7.00  -64.30  339.99  -72.39  238.79
    8.00  -64.78  354.99  -76.06  260.89
    9.00  -64.22    9.99  -77.23  292.96
   10.00  -63.80   24.99  -75.82  326.66
   11.00  -63.61   39.99  -72.37  352.87
   12.00  -63.65   54.99  -68.37   12.13
   13.00  -63.91   69.99  -64.67   28.01
   14.00  -64.39   84.99  -61.50   42.47
   15.00  -65.10   99.99  -58.84   56.10
   16.00  -66.03  114.99  -56.79   68.80
   17.00  -67.19  129.99  -55.54   80.51
   18.00  -67.17  144.99  -53.75   90.53
   19.00  -66.52  159.99  -51.86  100.17
   20.00  -65.02  174.99  -49.59  109.82
   21.00  -63.91  189.99  -48.24  119.95
   22.00  -62.47  204.99  -47.22  130.39
   23.00  -61.30  219.99  -47.15  141.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.32  234.99  -58.93  146.79
    1.00  -73.10  249.99  -61.33  154.93
    2.00  -74.00  264.99  -64.17  162.45
    3.00  -74.79  279.99  -67.24  169.43
    4.00  -76.86  294.99  -71.42  172.28
    5.00  -77.91  309.99  -74.86  175.08
    6.00  -77.70  324.99  -77.83  180.97
    7.00  -77.21  339.99  -81.02  187.75
    8.00  -77.82  354.99  -84.41  181.81
    9.00  -77.74    9.99  -87.41  157.70
   10.00  -77.60   24.99  -87.02   79.74
   11.00  -77.31   39.99  -83.65   60.83
   12.00  -76.98   54.99  -79.85   60.29
   13.00  -76.87   69.99  -76.16   64.99
   14.00  -76.80   84.99  -72.73   70.99
   15.00  -76.33   99.99  -69.33   76.51
   16.00  -76.18  114.99  -66.56   83.37
   17.00  -74.98  129.99  -63.27   89.01
   18.00  -74.78  144.99  -61.39   96.66
   19.00  -75.28  159.99  -60.68  105.01
   20.00  -74.78  174.99  -59.44  112.76
   21.00  -73.26  189.99  -57.60  120.72
   22.00  -72.96  204.99  -57.53  129.24
   23.00  -72.03  219.99  -57.38  138.14
</PRE>


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