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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>
12 Sep 1997 01:20:00 yearsecs  21950400
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.31   50.33  -67.99    4.68
    1.00  -62.86   65.33  -64.63   21.74
    2.00  -63.42   80.33  -61.52   36.81
    3.00  -63.98   95.33  -58.65   50.70
    4.00  -63.60  110.33  -55.12   62.50
    5.00  -64.88  125.33  -53.85   75.16
    6.00  -65.33  140.33  -52.35   86.11
    7.00  -65.31  155.33  -50.96   96.43
    8.00  -65.62  170.33  -50.38  106.81
    9.00  -65.35  185.33  -49.69  116.92
   10.00  -64.94  200.33  -49.45  127.03
   11.00  -64.75  215.33  -50.07  137.21
   12.00  -64.78  230.33  -51.46  147.49
   13.00  -65.04  245.33  -53.49  157.83
   14.00  -65.52  260.33  -56.08  168.13
   15.00  -66.23  275.33  -59.22  178.25
   16.00  -67.16  290.33  -62.95  188.01
   17.00  -67.60  305.33  -66.68  198.56
   18.00  -67.42  320.33  -70.23  211.32
   19.00  -67.66  335.33  -74.23  225.86
   20.00  -66.29  350.33  -76.58  249.69
   21.00  -65.19    5.33  -77.96  281.23
   22.00  -63.96   20.33  -76.60  316.75
   23.00  -62.78   35.33  -72.51  344.65
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.24   50.33  -74.87   16.42
    1.00  -69.43   65.33  -71.88   35.37
    2.00  -70.48   80.33  -68.89   50.42
    3.00  -71.55   95.33  -66.27   63.34
    4.00  -74.58  110.33  -65.94   78.04
    5.00  -75.70  125.33  -64.58   87.65
    6.00  -74.91  140.33  -61.98   94.33
    7.00  -73.96  155.33  -59.69  101.56
    8.00  -74.77  170.33  -59.61  110.24
    9.00  -74.87  185.33  -59.28  118.36
   10.00  -75.06  200.33  -59.51  126.41
   11.00  -74.96  215.33  -59.95  134.45
   12.00  -74.64  230.33  -60.68  142.69
   13.00  -74.56  245.33  -62.09  150.92
   14.00  -74.81  260.33  -64.19  158.81
   15.00  -74.40  275.33  -66.14  167.58
   16.00  -74.30  290.33  -68.75  175.99
   17.00  -72.60  305.33  -70.64  188.54
   18.00  -72.42  320.33  -74.03  198.96
   19.00  -73.32  335.33  -78.33  206.85
   20.00  -72.69  350.33  -81.80  225.08
   21.00  -70.38    5.33  -83.26  268.97
   22.00  -69.48   20.33  -82.85  319.83
   23.00  -68.40   35.33  -79.02  354.47
</PRE>


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