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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>
11 Mar 1997 17:09:05 yearsecs   6023345
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.14  176.90  -50.65  111.39
    1.00  -66.04  191.90  -50.37  121.39
    2.00  -66.82  206.90  -51.56  131.24
    3.00  -67.60  221.90  -53.30  140.84
    4.00  -67.17  236.90  -54.39  150.90
    5.00  -67.78  251.90  -56.85  160.57
    6.00  -67.64  266.90  -59.00  170.90
    7.00  -67.84  281.90  -61.84  181.10
    8.00  -68.80  296.90  -65.76  190.31
    9.00  -69.13  311.90  -69.52  200.82
   10.00  -68.93  326.90  -73.12  213.96
   11.00  -68.55  341.90  -76.61  231.36
   12.00  -68.58  356.90  -80.06  255.29
   13.00  -68.85   11.90  -82.34  293.04
   14.00  -69.34   26.90  -81.81  338.56
   15.00  -70.06   41.90  -79.01   11.00
   16.00  -70.78   56.90  -75.48   31.57
   17.00  -71.04   71.90  -71.59   45.39
   18.00  -71.15   86.90  -67.88   56.76
   19.00  -70.54  101.90  -63.89   65.83
   20.00  -69.70  116.90  -60.15   74.52
   21.00  -68.89  131.90  -57.02   83.35
   22.00  -68.22  146.90  -54.63   92.49
   23.00  -67.31  161.90  -52.54  101.80
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.09  176.90  -58.68  113.57
    1.00  -75.09  191.90  -59.46  121.91
    2.00  -75.82  206.90  -60.45  129.75
    3.00  -80.24  221.90  -65.50  134.87
    4.00  -81.86  236.90  -67.96  139.10
    5.00  -82.21  251.90  -69.43  143.68
    6.00  -81.70  266.90  -70.50  149.56
    7.00  -80.97  281.90  -71.85  156.08
    8.00  -81.11  296.90  -74.02  159.71
    9.00  -81.12  311.90  -76.30  162.52
   10.00  -81.02  326.90  -78.69  163.89
   11.00  -81.08  341.90  -81.05  160.91
   12.00  -81.19  356.90  -83.02  150.66
   13.00  -80.98   11.90  -84.37  131.52
   14.00  -80.80   26.90  -84.10  105.74
   15.00  -80.59   41.90  -82.31   88.56
   16.00  -80.45   56.90  -79.73   82.12
   17.00  -80.23   71.90  -76.92   80.99
   18.00  -81.00   86.90  -74.53   86.62
   19.00  -81.11  101.90  -72.28   90.41
   20.00  -80.39  116.90  -69.74   92.97
   21.00  -78.83  131.90  -66.62   95.57
   22.00  -76.53  146.90  -62.93   99.39
   23.00  -75.07  161.90  -60.35  105.88
</PRE>


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