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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>
21 May 1997 21:14:41 yearsecs  12172481
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.99  107.67  -58.16   63.29
    1.00  -66.07  122.67  -55.50   74.38
    2.00  -66.90  137.67  -54.26   85.44
    3.00  -67.72  152.67  -53.62   95.94
    4.00  -67.38  167.67  -52.28  105.63
    5.00  -68.10  182.67  -52.49  115.59
    6.00  -68.15  197.67  -52.55  125.19
    7.00  -68.74  212.67  -53.73  134.63
    8.00  -69.37  227.67  -55.48  143.87
    9.00  -69.51  242.67  -57.21  153.30
   10.00  -69.16  257.67  -58.90  163.28
   11.00  -68.85  272.67  -61.02  173.56
   12.00  -68.79  287.67  -63.79  183.86
   13.00  -68.97  302.67  -67.20  194.18
   14.00  -69.40  317.67  -71.16  204.81
   15.00  -70.07  332.67  -75.47  216.39
   16.00  -70.72  347.67  -79.75  231.45
   17.00  -70.83    2.67  -83.24  259.56
   18.00  -70.96   17.67  -84.68  311.98
   19.00  -70.29   32.67  -81.60  355.48
   20.00  -69.48   47.67  -76.86   16.85
   21.00  -68.71   62.67  -71.91   30.97
   22.00  -68.10   77.67  -67.28   42.94
   23.00  -67.19   92.67  -62.67   53.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -77.11  107.67  -68.56   81.85
    1.00  -78.18  122.67  -67.17   90.55
    2.00  -79.01  137.67  -66.17   98.26
    3.00  -82.75  152.67  -68.50  109.25
    4.00  -84.15  167.67  -69.19  115.53
    5.00  -84.63  182.67  -69.35  120.15
    6.00  -84.27  197.67  -68.93  124.40
    7.00  -83.47  212.67  -68.36  129.31
    8.00  -83.26  227.67  -68.72  134.29
    9.00  -83.03  242.67  -69.40  139.32
   10.00  -82.68  257.67  -70.30  144.55
   11.00  -82.53  272.67  -71.68  149.15
   12.00  -82.53  287.67  -73.40  152.74
   13.00  -82.25  302.67  -75.22  156.46
   14.00  -81.98  317.67  -77.28  159.01
   15.00  -81.71  332.67  -79.49  159.44
   16.00  -81.45  347.67  -81.71  155.84
   17.00  -81.19    2.67  -83.61  144.36
   18.00  -81.96   17.67  -83.37  122.11
   19.00  -82.25   32.67  -82.29  106.00
   20.00  -81.78   47.67  -80.86   93.16
   21.00  -80.60   62.67  -78.67   82.53
   22.00  -78.75   77.67  -75.32   75.54
   23.00  -77.74   92.67  -71.77   77.13
</PRE>


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