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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 Sep 1997 19:13:22 yearsecs  21669202
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.88  140.77  -51.83   86.11
    1.00  -64.23  155.77  -49.83   96.21
    2.00  -65.29  170.77  -50.03  107.01
    3.00  -66.35  185.77  -50.69  117.35
    4.00  -66.17  200.77  -50.68  127.27
    5.00  -67.13  215.77  -52.39  136.98
    6.00  -67.26  230.77  -53.81  146.79
    7.00  -67.10  245.77  -55.42  156.90
    8.00  -67.77  260.77  -58.14  166.58
    9.00  -67.41  275.77  -60.33  177.30
   10.00  -67.06  290.77  -62.95  188.48
   11.00  -66.81  305.77  -66.11  200.22
   12.00  -66.84  320.77  -69.85  212.87
   13.00  -67.10  335.77  -73.87  227.71
   14.00  -67.58  350.77  -77.86  247.14
   15.00  -68.29    5.77  -81.24  276.68
   16.00  -69.22   20.77  -82.53  320.90
   17.00  -70.19   35.77  -80.74    1.27
   18.00  -69.97   50.77  -76.46   22.24
   19.00  -69.43   65.77  -71.76   35.77
   20.00  -68.38   80.77  -66.76   46.11
   21.00  -67.37   95.77  -62.13   56.15
   22.00  -66.40  110.77  -57.97   66.13
   23.00  -65.56  125.77  -54.49   76.10
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.89  140.77  -58.95   91.58
    1.00  -72.90  155.77  -58.59  101.08
    2.00  -73.87  170.77  -58.68  110.08
    3.00  -77.54  185.77  -62.00  119.09
    4.00  -79.70  200.77  -64.25  126.09
    5.00  -80.09  215.77  -65.08  132.39
    6.00  -79.50  230.77  -65.33  139.23
    7.00  -79.00  245.77  -66.12  146.29
    8.00  -79.48  260.77  -68.13  151.90
    9.00  -79.22  275.77  -69.87  158.41
   10.00  -79.45  290.77  -72.26  163.34
   11.00  -79.16  305.77  -74.63  169.12
   12.00  -79.13  320.77  -77.39  173.06
   13.00  -78.92  335.77  -80.29  176.11
   14.00  -78.89  350.77  -83.28  173.51
   15.00  -78.56    5.77  -86.14  159.47
   16.00  -78.72   20.77  -86.65  107.11
   17.00  -78.28   35.77  -84.46   72.85
   18.00  -78.50   50.77  -81.09   69.90
   19.00  -78.18   65.77  -77.65   69.80
   20.00  -77.22   80.77  -73.89   70.65
   21.00  -75.35   95.77  -69.40   72.03
   22.00  -73.67  110.77  -65.04   76.67
   23.00  -72.36  125.77  -61.33   83.33
</PRE>


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