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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>
08 May 1997 15:31:41 yearsecs  11028701
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.86  203.70  -47.55  129.45
    1.00  -63.50  218.70  -49.15  139.82
    2.00  -64.15  233.70  -51.24  150.10
    3.00  -64.79  248.70  -53.72  160.36
    4.00  -64.29  263.70  -55.51  171.55
    5.00  -65.44  278.70  -59.14  181.54
    6.00  -66.10  293.70  -62.74  191.94
    7.00  -66.17  308.70  -66.26  203.62
    8.00  -64.89  323.70  -68.90  219.26
    9.00  -67.19  338.70  -74.67  231.00
   10.00  -66.56  353.70  -77.53  254.82
   11.00  -66.25    8.70  -79.36  287.78
   12.00  -66.13   23.70  -78.71  325.50
   13.00  -66.24   38.70  -75.79  355.23
   14.00  -66.56   53.70  -72.13   16.27
   15.00  -67.12   68.70  -68.62   32.92
   16.00  -67.90   83.70  -65.55   47.54
   17.00  -68.91   98.70  -63.02   60.87
   18.00  -68.85  113.70  -59.89   71.29
   19.00  -68.16  128.70  -56.71   80.56
   20.00  -66.72  143.70  -53.42   89.36
   21.00  -65.58  158.70  -51.00   98.87
   22.00  -64.34  173.70  -48.95  108.76
   23.00  -63.29  188.70  -47.61  119.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.57  203.70  -57.10  128.56
    1.00  -73.46  218.70  -58.68  136.86
    2.00  -74.37  233.70  -60.72  144.71
    3.00  -75.23  248.70  -63.08  152.08
    4.00  -77.45  263.70  -66.86  156.66
    5.00  -78.46  278.70  -69.76  161.32
    6.00  -78.18  293.70  -72.00  168.09
    7.00  -77.63  308.70  -74.48  175.61
    8.00  -78.39  323.70  -77.77  177.27
    9.00  -78.29  338.70  -80.86  180.29
   10.00  -78.19  353.70  -84.05  178.60
   11.00  -77.94    8.70  -87.06  159.40
   12.00  -77.60   23.70  -87.26   83.70
   13.00  -77.46   38.70  -83.96   62.65
   14.00  -77.45   53.70  -80.29   62.95
   15.00  -77.01   68.70  -76.53   65.10
   16.00  -76.85   83.70  -73.04   70.60
   17.00  -75.55   98.70  -68.97   74.02
   18.00  -75.34  113.70  -66.03   81.18
   19.00  -75.88  128.70  -64.29   89.59
   20.00  -75.34  143.70  -62.06   96.55
   21.00  -73.69  158.70  -59.17  103.25
   22.00  -73.26  173.70  -57.94  111.49
   23.00  -72.41  188.70  -56.75  119.90
</PRE>


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