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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>
13 Sep 1997 14:51:24 yearsecs  22085484
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.24  211.25  -44.46  135.26
    1.00  -59.87  226.25  -46.37  146.23
    2.00  -60.49  241.25  -48.72  157.17
    3.00  -61.11  256.25  -51.44  168.17
    4.00  -60.42  271.25  -53.27  180.28
    5.00  -61.39  286.25  -56.96  191.45
    6.00  -62.66  301.25  -61.36  202.34
    7.00  -63.51  316.25  -65.78  214.32
    8.00  -63.84  331.25  -69.85  229.04
    9.00  -63.24  346.25  -72.80  249.36
   10.00  -62.78    1.25  -74.98  275.81
   11.00  -62.59   16.25  -75.35  307.82
   12.00  -62.63   31.25  -73.25  337.67
   13.00  -62.89   46.25  -69.82    0.47
   14.00  -63.37   61.25  -66.33   18.41
   15.00  -64.08   76.25  -63.28   34.15
   16.00  -65.01   91.25  -60.70   48.79
   17.00  -66.16  106.25  -58.63   62.43
   18.00  -66.19  121.25  -55.85   73.49
   19.00  -65.40  136.25  -52.89   83.33
   20.00  -63.80  151.25  -49.73   92.82
   21.00  -62.67  166.25  -47.59  103.01
   22.00  -61.05  181.25  -45.43  113.42
   23.00  -59.91  196.25  -44.38  124.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.30  211.25  -58.12  132.72
    1.00  -73.98  226.25  -59.72  140.84
    2.00  -74.83  241.25  -61.89  148.47
    3.00  -75.48  256.25  -64.22  155.79
    4.00  -77.01  271.25  -67.57  160.97
    5.00  -78.09  286.25  -70.69  165.32
    6.00  -78.23  301.25  -73.37  170.81
    7.00  -77.76  316.25  -76.04  177.86
    8.00  -78.18  331.25  -79.28  180.01
    9.00  -78.27  346.25  -82.46  180.16
   10.00  -77.95    1.25  -85.70  175.11
   11.00  -77.58   16.25  -88.07  123.58
   12.00  -77.26   31.25  -85.79   63.98
   13.00  -77.11   46.25  -82.07   59.21
   14.00  -76.94   61.25  -78.29   62.08
   15.00  -76.50   76.25  -74.50   66.13
   16.00  -76.43   91.25  -71.15   72.68
   17.00  -75.64  106.25  -67.60   78.01
   18.00  -75.39  121.25  -64.88   85.12
   19.00  -75.45  136.25  -62.96   92.84
   20.00  -74.98  151.25  -61.03  100.16
   21.00  -73.82  166.25  -58.85  107.54
   22.00  -73.79  181.25  -58.25  115.90
   23.00  -72.90  196.25  -57.27  124.27
</PRE>


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