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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>
27 May 1997 01:19:18 yearsecs  12619158
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.02   48.95  -61.22  357.07
    1.00  -57.33   63.95  -57.63   13.00
    2.00  -57.62   78.95  -54.53   27.66
    3.00  -57.89   93.95  -51.84   41.87
    4.00  -58.15  108.95  -49.37   55.68
    5.00  -58.80  123.95  -47.61   69.03
    6.00  -60.59  138.95  -47.56   82.03
    7.00  -61.27  153.95  -46.91   93.54
    8.00  -61.78  168.95  -46.55  104.67
    9.00  -61.67  183.95  -46.02  115.46
   10.00  -61.24  198.95  -45.77  126.16
   11.00  -61.11  213.95  -46.47  136.94
   12.00  -61.19  228.95  -47.93  147.80
   13.00  -61.50  243.95  -50.04  158.71
   14.00  -62.03  258.95  -52.70  169.63
   15.00  -62.76  273.95  -55.88  180.50
   16.00  -63.72  288.95  -59.62  191.18
   17.00  -64.89  303.95  -64.00  201.65
   18.00  -65.15  318.95  -67.93  214.25
   19.00  -63.80  333.95  -70.49  232.20
   20.00  -62.15  348.95  -72.30  255.13
   21.00  -60.93    3.95  -73.30  283.06
   22.00  -59.08   18.95  -71.04  313.72
   23.00  -57.96   33.95  -66.70  338.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.49   48.95  -78.33   25.99
    1.00  -72.44   63.95  -74.90   43.60
    2.00  -73.36   78.95  -71.70   57.08
    3.00  -73.89   93.95  -68.61   67.54
    4.00  -74.73  108.95  -66.32   77.59
    5.00  -76.12  123.95  -65.15   87.61
    6.00  -76.17  138.95  -63.35   95.06
    7.00  -74.99  153.95  -60.82  101.60
    8.00  -74.74  168.95  -59.65  109.48
    9.00  -75.10  183.95  -59.53  117.67
   10.00  -74.60  198.95  -59.02  125.71
   11.00  -74.28  213.95  -59.21  133.94
   12.00  -74.08  228.95  -60.03  142.27
   13.00  -73.92  243.95  -61.35  150.74
   14.00  -73.95  258.95  -63.26  159.12
   15.00  -73.79  273.95  -65.41  167.79
   16.00  -74.15  288.95  -68.37  175.54
   17.00  -74.37  303.95  -71.57  183.33
   18.00  -74.03  318.95  -74.73  192.97
   19.00  -73.14  333.95  -77.87  206.56
   20.00  -72.86  348.95  -81.55  222.37
   21.00  -72.09    3.95  -84.60  255.75
   22.00  -72.21   18.95  -85.96  319.59
   23.00  -71.34   33.95  -82.29    3.01
</PRE>


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