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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>
09 Sep 1997 10:36:30 yearsecs  21724590
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.28  271.96  -50.48  183.08
    1.00  -57.52  286.96  -53.50  195.47
    2.00  -57.72  301.96  -56.88  208.29
    3.00  -57.90  316.96  -60.63  222.04
    4.00  -58.05  331.96  -64.45  237.80
    5.00  -58.58  346.96  -68.30  256.62
    6.00  -60.28    1.96  -72.42  279.83
    7.00  -61.50   16.96  -74.05  309.52
    8.00  -61.70   31.96  -71.96  338.12
    9.00  -61.33   46.96  -67.65  359.29
   10.00  -61.13   61.96  -63.33   15.75
   11.00  -61.13   76.96  -59.56   30.30
   12.00  -61.31   91.96  -56.38   44.19
   13.00  -61.70  106.96  -53.72   57.63
   14.00  -62.28  121.96  -51.65   70.32
   15.00  -63.07  136.96  -50.38   82.16
   16.00  -64.05  151.96  -49.93   93.45
   17.00  -65.25  166.96  -50.16  104.39
   18.00  -65.53  181.96  -49.92  114.68
   19.00  -64.23  196.96  -48.65  124.75
   20.00  -62.55  211.96  -47.72  135.28
   21.00  -61.31  226.96  -47.83  146.31
   22.00  -59.44  241.96  -47.81  158.17
   23.00  -58.28  256.96  -48.89  170.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.12  271.96  -60.27  173.89
    1.00  -69.02  286.96  -63.85  183.03
    2.00  -69.88  301.96  -67.78  192.02
    3.00  -70.24  316.96  -71.63  202.29
    4.00  -70.93  331.96  -75.91  213.02
    5.00  -72.20  346.96  -80.62  223.60
    6.00  -72.86    1.96  -84.79  244.41
    7.00  -71.88   16.96  -85.72  309.58
    8.00  -72.04   31.96  -83.42    2.85
    9.00  -72.60   46.96  -79.78   29.01
   10.00  -72.15   61.96  -75.22   40.98
   11.00  -71.90   76.96  -71.01   51.59
   12.00  -71.79   91.96  -67.26   61.62
   13.00  -71.71  106.96  -63.96   71.09
   14.00  -71.84  121.96  -61.41   80.42
   15.00  -71.75  136.96  -59.25   89.21
   16.00  -72.24  151.96  -58.23   98.41
   17.00  -72.55  166.96  -57.53  107.32
   18.00  -72.02  181.96  -56.44  115.91
   19.00  -70.85  196.96  -55.22  124.71
   20.00  -70.35  211.96  -55.26  133.84
   21.00  -69.34  226.96  -55.38  143.44
   22.00  -69.32  241.96  -56.95  152.98
   23.00  -68.13  256.96  -57.89  163.69
</PRE>


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