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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>
18 Jul 1997 17:59:54 yearsecs  17171994
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.37  161.58  -48.56   99.93
    1.00  -63.56  176.58  -48.06  110.58
    2.00  -64.25  191.58  -48.59  121.07
    3.00  -64.94  206.58  -49.71  131.25
    4.00  -64.69  221.58  -50.52  141.50
    5.00  -65.90  236.58  -53.20  151.31
    6.00  -66.20  251.58  -55.39  161.47
    7.00  -66.08  266.58  -57.58  172.13
    8.00  -66.79  281.58  -60.86  182.15
    9.00  -66.27  296.58  -63.52  193.89
   10.00  -65.83  311.58  -66.67  206.58
   11.00  -65.62  326.58  -70.28  220.83
   12.00  -65.64  341.58  -74.00  238.22
   13.00  -65.89  356.58  -77.44  261.65
   14.00  -66.37   11.58  -79.63  294.93
   15.00  -67.07   26.58  -79.34  333.26
   16.00  -68.00   41.58  -77.00    3.86
   17.00  -69.09   56.58  -73.98   25.89
   18.00  -69.05   71.58  -69.82   39.92
   19.00  -68.20   86.58  -65.15   50.43
   20.00  -67.15  101.58  -60.62   60.25
   21.00  -66.08  116.58  -56.55   70.01
   22.00  -64.96  131.58  -53.03   79.71
   23.00  -63.88  146.58  -50.22   89.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.07  161.58  -57.36  103.94
    1.00  -73.20  176.58  -57.78  113.10
    2.00  -74.18  191.58  -58.53  121.68
    3.00  -75.99  206.58  -60.61  129.55
    4.00  -78.49  221.58  -63.77  135.88
    5.00  -79.30  236.58  -65.57  141.94
    6.00  -78.70  251.58  -66.45  149.24
    7.00  -78.12  266.58  -67.78  156.81
    8.00  -78.94  281.58  -70.52  161.35
    9.00  -78.66  296.58  -72.77  167.76
   10.00  -78.74  311.58  -75.52  172.45
   11.00  -78.57  326.58  -78.39  177.01
   12.00  -78.31  341.58  -81.47  180.22
   13.00  -78.10  356.58  -84.68  177.76
   14.00  -78.19   11.58  -87.19  145.57
   15.00  -77.80   26.58  -86.59   79.16
   16.00  -77.72   41.58  -83.24   64.61
   17.00  -76.50   56.58  -79.29   57.90
   18.00  -76.39   71.58  -75.54   63.60
   19.00  -76.56   86.58  -72.23   70.94
   20.00  -76.11  101.58  -68.86   76.76
   21.00  -74.20  116.58  -64.52   80.75
   22.00  -73.19  131.58  -61.33   87.64
   23.00  -72.28  146.58  -58.75   95.31
</PRE>


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