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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>
09 Sep 1997 12:15:56 yearsecs  21730556
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.33  248.07  -46.62  163.85
    1.00  -57.55  263.07  -49.19  175.66
    2.00  -57.73  278.07  -52.01  187.83
    3.00  -57.89  293.07  -55.09  200.38
    4.00  -58.00  308.07  -58.57  213.52
    5.00  -58.50  323.07  -62.73  227.55
    6.00  -60.16  338.07  -67.98  242.68
    7.00  -61.43  353.07  -72.35  262.74
    8.00  -60.79    8.07  -73.41  291.40
    9.00  -60.71   23.07  -72.44  321.69
   10.00  -60.65   38.07  -69.16  346.70
   11.00  -60.75   53.07  -65.22    5.75
   12.00  -61.03   68.07  -61.61   21.69
   13.00  -61.48   83.07  -58.56   36.42
   14.00  -62.12   98.07  -56.00   50.57
   15.00  -62.95  113.07  -53.91   63.98
   16.00  -63.98  128.07  -52.50   76.37
   17.00  -65.20  143.07  -51.92   87.92
   18.00  -65.51  158.07  -50.96   98.40
   19.00  -64.23  173.07  -48.87  108.30
   20.00  -62.64  188.07  -46.97  118.50
   21.00  -61.40  203.07  -46.09  129.10
   22.00  -59.52  218.07  -45.26  140.25
   23.00  -58.35  233.07  -45.65  151.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.36  248.07  -60.43  154.48
    1.00  -73.22  263.07  -63.23  162.36
    2.00  -74.03  278.07  -66.30  169.71
    3.00  -74.45  293.07  -69.40  177.16
    4.00  -75.14  308.07  -72.95  183.42
    5.00  -76.13  323.07  -76.81  187.30
    6.00  -76.61  338.07  -80.44  191.05
    7.00  -75.71  353.07  -83.90  204.05
    8.00  -75.71    8.07  -87.83  212.75
    9.00  -76.05   23.07  -88.10   46.16
   10.00  -75.59   38.07  -83.92   42.81
   11.00  -75.28   53.07  -79.71   49.10
   12.00  -75.10   68.07  -75.67   56.59
   13.00  -74.94   83.07  -71.90   64.23
   14.00  -74.96   98.07  -68.62   72.31
   15.00  -74.81  113.07  -65.66   79.90
   16.00  -75.14  128.07  -63.68   88.23
   17.00  -75.34  143.07  -62.13   96.23
   18.00  -74.97  158.07  -60.51  103.78
   19.00  -74.08  173.07  -58.79  111.44
   20.00  -73.75  188.07  -58.11  119.70
   21.00  -73.01  203.07  -57.52  128.14
   22.00  -73.10  218.07  -58.29  136.64
   23.00  -72.25  233.07  -58.68  145.71
</PRE>


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