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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>
24 Apr 1997 01:15:44 yearsecs   9767744
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.24   50.90  -68.98    6.74
    1.00  -63.82   65.90  -65.64   23.89
    2.00  -64.67   80.90  -62.81   39.34
    3.00  -65.52   95.90  -60.18   53.40
    4.00  -65.29  110.90  -56.79   64.89
    5.00  -66.40  125.90  -55.33   76.98
    6.00  -66.62  140.90  -53.61   87.41
    7.00  -66.48  155.90  -52.11   97.41
    8.00  -67.17  170.90  -51.92  107.69
    9.00  -66.71  185.90  -51.05  117.49
   10.00  -66.28  200.90  -50.79  127.35
   11.00  -66.09  215.90  -51.40  137.30
   12.00  -66.12  230.90  -52.77  147.35
   13.00  -66.38  245.90  -54.78  157.44
   14.00  -66.86  260.90  -57.36  167.45
   15.00  -67.57  275.90  -60.49  177.22
   16.00  -68.50  290.90  -64.21  186.53
   17.00  -69.54  305.90  -68.41  195.49
   18.00  -69.42  320.90  -71.99  207.44
   19.00  -68.82  335.90  -75.32  223.43
   20.00  -67.65  350.90  -77.95  247.15
   21.00  -66.61    5.90  -79.50  280.38
   22.00  -65.15   20.90  -77.92  318.38
   23.00  -63.75   35.90  -73.55  346.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.24   50.90  -74.70   17.10
    1.00  -69.40   65.90  -71.70   35.81
    2.00  -70.45   80.90  -68.72   50.79
    3.00  -73.51   95.90  -67.87   67.80
    4.00  -76.31  110.90  -67.34   81.64
    5.00  -76.98  125.90  -65.67   89.91
    6.00  -76.10  140.90  -63.09   95.95
    7.00  -75.25  155.90  -60.94  102.84
    8.00  -75.83  170.90  -60.66  111.04
    9.00  -75.82  185.90  -60.24  118.83
   10.00  -76.15  200.90  -60.63  126.60
   11.00  -75.98  215.90  -60.99  134.36
   12.00  -75.92  230.90  -61.94  142.14
   13.00  -75.75  245.90  -63.22  150.07
   14.00  -75.91  260.90  -65.20  157.62
   15.00  -75.57  275.90  -67.16  165.87
   16.00  -75.69  290.90  -69.87  173.24
   17.00  -74.70  305.90  -72.21  183.51
   18.00  -74.83  320.90  -75.65  191.33
   19.00  -75.03  335.90  -79.35  199.03
   20.00  -74.12  350.90  -82.75  216.07
   21.00  -71.79    5.90  -84.70  263.66
   22.00  -70.15   20.90  -83.55  322.71
   23.00  -68.75   35.90  -79.24  356.52
</PRE>


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