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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>
10 Nov 1997 01:08:44 yearsecs  27047324
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.16   53.04  -61.70    2.70
    1.00  -58.68   68.04  -58.50   18.57
    2.00  -59.19   83.04  -55.71   33.37
    3.00  -59.69   98.04  -53.22   47.62
    4.00  -59.46  113.04  -50.12   60.48
    5.00  -60.34  128.04  -48.67   73.48
    6.00  -61.92  143.04  -48.52   85.87
    7.00  -63.11  158.04  -48.51   97.31
    8.00  -63.16  173.04  -47.78  107.99
    9.00  -62.57  188.04  -46.90  118.47
   10.00  -62.10  203.04  -46.78  129.04
   11.00  -61.91  218.04  -47.57  139.71
   12.00  -61.95  233.04  -49.10  150.50
   13.00  -62.21  248.04  -51.25  161.37
   14.00  -62.69  263.04  -53.96  172.26
   15.00  -63.40  278.04  -57.19  183.07
   16.00  -64.33  293.04  -61.03  193.68
   17.00  -65.48  308.04  -65.50  204.14
   18.00  -65.60  323.04  -69.36  217.35
   19.00  -64.55  338.04  -72.17  235.82
   20.00  -62.92  353.04  -73.85  260.59
   21.00  -61.76    8.04  -74.47  290.64
   22.00  -60.05   23.04  -71.65  321.49
   23.00  -58.93   38.04  -66.92  345.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.00   53.04  -74.89   21.78
    1.00  -69.80   68.04  -71.50   38.79
    2.00  -70.71   83.04  -68.42   52.98
    3.00  -71.26   98.04  -65.40   64.56
    4.00  -72.60  113.04  -63.65   76.21
    5.00  -73.89  128.04  -62.49   86.54
    6.00  -74.00  143.04  -60.81   94.85
    7.00  -72.99  158.04  -58.53  102.43
    8.00  -73.16  173.04  -57.87  111.07
    9.00  -73.52  188.04  -57.88  119.65
   10.00  -73.20  203.04  -57.71  128.10
   11.00  -72.92  218.04  -58.11  136.69
   12.00  -72.73  233.04  -59.13  145.40
   13.00  -72.67  248.04  -60.71  154.18
   14.00  -72.69  263.04  -62.77  162.98
   15.00  -72.41  278.04  -64.98  172.29
   16.00  -72.64  293.04  -68.03  180.92
   17.00  -72.29  308.04  -71.03  191.02
   18.00  -72.02  323.04  -74.43  202.14
   19.00  -71.70  338.04  -78.00  216.10
   20.00  -71.29  353.04  -81.50  236.95
   21.00  -70.03    8.04  -83.29  278.38
   22.00  -69.96   23.04  -83.08  329.19
   23.00  -68.79   38.04  -78.75    0.42
</PRE>


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