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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>
09 Mar 1997 12:27:57 yearsecs   5833677
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.59  246.57  -50.47  160.61
    1.00  -62.93  261.57  -53.94  170.98
    2.00  -63.83  276.57  -57.31  181.54
    3.00  -67.15  291.57  -63.19  188.93
    4.00  -67.17  306.57  -66.61  200.25
    5.00  -68.37  321.57  -71.32  210.42
    6.00  -69.04  336.57  -75.67  223.53
    7.00  -70.08  351.57  -80.19  240.03
    8.00  -69.84    6.57  -82.91  274.54
    9.00  -69.49   21.57  -82.74  323.71
   10.00  -68.75   36.57  -79.08  357.73
   11.00  -68.12   51.57  -74.40   17.59
   12.00  -67.81   66.57  -69.92   32.47
   13.00  -67.80   81.57  -65.98   45.59
   14.00  -68.08   96.57  -62.67   57.92
   15.00  -68.66  111.57  -60.10   69.58
   16.00  -69.23  126.57  -58.11   80.25
   17.00  -69.25  141.57  -56.21   89.83
   18.00  -69.30  156.57  -54.92   99.35
   19.00  -68.53  171.57  -53.26  108.56
   20.00  -67.75  186.57  -52.08  118.05
   21.00  -67.02  201.57  -51.54  127.75
   22.00  -65.50  216.57  -50.89  137.88
   23.00  -63.28  231.57  -50.19  148.94
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.59  246.57  -55.06  157.76
    1.00  -67.93  261.57  -58.41  166.98
    2.00  -68.83  276.57  -61.70  176.21
    3.00  -75.53  291.57  -69.88  173.94
    4.00  -77.82  306.57  -74.16  174.16
    5.00  -77.97  321.57  -77.21  178.67
    6.00  -77.54  336.57  -80.30  184.82
    7.00  -76.36  351.57  -83.64  197.15
    8.00  -76.51    6.57  -87.39  192.68
    9.00  -76.56   21.57  -88.34   67.08
   10.00  -76.31   36.57  -84.49   50.13
   11.00  -76.42   51.57  -80.56   55.55
   12.00  -76.76   66.57  -76.93   63.14
   13.00  -76.56   81.57  -73.33   68.69
   14.00  -76.36   96.57  -70.02   74.97
   15.00  -76.16  111.57  -67.10   81.66
   16.00  -75.95  126.57  -64.64   88.64
   17.00  -75.71  141.57  -62.64   95.85
   18.00  -76.98  156.57  -62.61  104.55
   19.00  -77.27  171.57  -62.09  112.08
   20.00  -76.28  186.57  -60.70  119.26
   21.00  -74.03  201.57  -58.50  127.19
   22.00  -70.50  216.57  -55.68  136.60
   23.00  -68.28  231.57  -54.84  146.85
</PRE>


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