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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
17 Sep 1997 10:40:22 yearsecs  22416022
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.62  270.16  -54.18  178.51
    1.00  -62.63  285.16  -57.87  189.36
    2.00  -63.20  300.16  -61.60  200.77
    3.00  -63.77  315.16  -65.74  212.94
    4.00  -63.33  330.16  -69.11  228.67
    5.00  -64.58  345.16  -73.85  245.37
    6.00  -64.97    0.16  -77.10  270.47
    7.00  -65.15   15.16  -78.29  304.65
    8.00  -65.81   30.16  -77.25  339.14
    9.00  -65.17   45.16  -72.88    2.74
   10.00  -64.76   60.16  -68.29   19.70
   11.00  -64.57   75.16  -64.12   33.98
   12.00  -64.60   90.16  -60.51   47.25
   13.00  -64.86  105.16  -57.49   59.91
   14.00  -65.34  120.16  -55.16   71.85
   15.00  -66.05  135.16  -53.69   83.08
   16.00  -66.98  150.16  -53.07   93.85
   17.00  -66.96  165.16  -51.99  103.81
   18.00  -66.57  180.16  -51.00  113.67
   19.00  -67.27  195.16  -51.63  123.58
   20.00  -66.09  210.16  -51.02  133.49
   21.00  -63.99  225.16  -50.20  144.18
   22.00  -63.05  240.16  -50.99  155.19
   23.00  -61.80  255.16  -51.91  166.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.62  270.16  -58.65  174.17
    1.00  -67.75  285.16  -62.40  183.52
    2.00  -68.78  300.16  -66.47  192.69
    3.00  -69.82  315.16  -70.86  201.87
    4.00  -72.51  330.16  -76.53  206.02
    5.00  -74.36  345.16  -81.38  209.21
    6.00  -73.93    0.16  -85.05  230.28
    7.00  -73.29   15.16  -87.27  298.92
    8.00  -74.60   30.16  -85.74   23.18
    9.00  -74.45   45.16  -81.47   38.44
   10.00  -74.60   60.16  -77.43   49.78
   11.00  -74.47   75.16  -73.47   58.30
   12.00  -74.15   90.16  -69.67   66.00
   13.00  -74.08  105.16  -66.46   74.28
   14.00  -74.29  120.16  -64.03   82.83
   15.00  -73.86  135.16  -61.55   90.40
   16.00  -73.77  150.16  -59.91   98.56
   17.00  -71.96  165.16  -57.03  105.99
   18.00  -71.57  180.16  -56.03  114.74
   19.00  -72.27  195.16  -56.62  123.64
   20.00  -71.44  210.16  -56.23  132.52
   21.00  -68.99  225.16  -54.90  142.45
   22.00  -68.05  240.16  -55.58  152.58
   23.00  -66.80  255.16  -56.44  163.52
</PRE>


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