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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>
05 May 1997 02:24:27 yearsecs  10722267
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.65   33.73  -73.94  342.96
    1.00  -63.66   48.73  -70.10    4.77
    2.00  -64.43   63.73  -66.94   22.77
    3.00  -65.19   78.73  -63.92   38.29
    4.00  -64.95   93.73  -60.07   50.77
    5.00  -66.11  108.73  -58.07   64.24
    6.00  -66.37  123.73  -55.64   75.43
    7.00  -66.23  138.73  -53.46   85.66
    8.00  -66.84  153.73  -52.64   96.14
    9.00  -66.41  168.73  -51.25  105.99
   10.00  -66.00  183.73  -50.35  115.94
   11.00  -65.80  198.73  -50.26  125.93
   12.00  -65.84  213.73  -51.01  135.91
   13.00  -66.10  228.73  -52.52  145.89
   14.00  -66.58  243.73  -54.68  155.83
   15.00  -67.29  258.73  -57.40  165.59
   16.00  -68.22  273.73  -60.67  174.99
   17.00  -69.29  288.73  -64.43  183.85
   18.00  -69.21  303.73  -67.64  194.52
   19.00  -68.58  318.73  -70.77  207.50
   20.00  -67.38  333.73  -73.59  224.73
   21.00  -66.32  348.73  -76.25  247.07
   22.00  -65.23    3.73  -77.83  277.60
   23.00  -64.16   18.73  -76.98  313.18
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.73   33.73  -79.74  352.31
    1.00  -69.90   48.73  -76.97   19.59
    2.00  -70.93   63.73  -73.71   38.34
    3.00  -73.44   78.73  -71.82   57.19
    4.00  -76.27   93.73  -70.53   73.40
    5.00  -77.03  108.73  -68.31   82.15
    6.00  -76.16  123.73  -65.22   87.57
    7.00  -75.49  138.73  -62.72   94.15
    8.00  -76.53  153.73  -62.37  102.77
    9.00  -76.30  168.73  -61.23  110.16
   10.00  -76.57  183.73  -61.03  117.87
   11.00  -76.40  198.73  -60.85  125.47
   12.00  -76.26  213.73  -61.16  133.14
   13.00  -76.09  228.73  -61.93  140.90
   14.00  -76.26  243.73  -63.45  148.44
   15.00  -75.89  258.73  -64.90  156.53
   16.00  -75.94  273.73  -67.10  164.11
   17.00  -74.78  288.73  -68.80  174.12
   18.00  -74.80  303.73  -71.81  182.07
   19.00  -75.09  318.73  -75.29  189.18
   20.00  -74.17  333.73  -78.39  201.88
   21.00  -71.87  348.73  -80.85  227.53
   22.00  -70.44    3.73  -83.06  264.21
   23.00  -69.16   18.73  -82.62  314.47
</PRE>


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