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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
24 Jul 1997 16:45:44 yearsecs  17685944
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.48  184.87  -48.83  116.50
    1.00  -64.05  199.87  -48.57  126.74
    2.00  -65.02  214.87  -50.30  136.84
    3.00  -65.98  229.87  -52.53  146.71
    4.00  -65.78  244.87  -54.11  157.08
    5.00  -66.81  259.87  -57.15  166.78
    6.00  -66.98  274.87  -59.79  177.14
    7.00  -66.83  289.87  -62.56  188.12
    8.00  -67.50  304.87  -66.49  198.37
    9.00  -67.10  319.87  -69.84  211.56
   10.00  -66.68  334.87  -73.28  227.62
   11.00  -66.49  349.87  -76.66  248.48
   12.00  -66.52    4.87  -79.31  278.07
   13.00  -66.78   19.87  -79.87  316.49
   14.00  -67.26   34.87  -77.88  350.80
   15.00  -67.97   49.87  -74.71   15.13
   16.00  -68.90   64.87  -71.49   33.55
   17.00  -69.90   79.87  -68.47   48.72
   18.00  -69.73   94.87  -64.67   59.53
   19.00  -69.16  109.87  -60.92   69.10
   20.00  -68.06  124.87  -57.18   77.91
   21.00  -67.03  139.87  -54.14   87.02
   22.00  -66.03  154.87  -51.72   96.48
   23.00  -65.12  169.87  -49.90  106.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.83  184.87  -57.21  117.75
    1.00  -73.85  199.87  -58.28  126.26
    2.00  -74.80  214.87  -59.77  134.26
    3.00  -77.85  229.87  -63.69  140.20
    4.00  -80.00  244.87  -66.92  144.60
    5.00  -80.49  259.87  -68.83  149.68
    6.00  -79.97  274.87  -70.26  156.34
    7.00  -79.51  289.87  -72.15  162.84
    8.00  -80.07  304.87  -74.85  165.45
    9.00  -79.87  319.87  -77.38  169.38
   10.00  -80.05  334.87  -80.10  169.04
   11.00  -79.79  349.87  -82.81  166.46
   12.00  -79.70    4.87  -85.11  150.56
   13.00  -79.43   19.87  -85.98  113.59
   14.00  -79.40   34.87  -84.12   84.89
   15.00  -79.05   49.87  -81.26   73.96
   16.00  -79.11   64.87  -78.09   74.49
   17.00  -78.48   79.87  -74.75   75.09
   18.00  -78.59   94.87  -71.90   80.50
   19.00  -78.44  109.87  -69.24   85.81
   20.00  -77.57  124.87  -66.34   90.42
   21.00  -75.75  139.87  -62.86   95.03
   22.00  -74.30  154.87  -60.06  101.56
   23.00  -73.18  169.87  -58.02  109.28
</PRE>


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