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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>
18 Mar 1997 15:44:09 yearsecs   6623049
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.33  199.29  -47.83  126.36
    1.00  -64.44  214.29  -49.70  136.56
    2.00  -65.39  229.29  -51.92  146.54
    3.00  -67.04  244.29  -55.18  155.93
    4.00  -66.77  259.29  -57.03  166.40
    5.00  -67.57  274.29  -60.20  176.09
    6.00  -67.57  289.29  -63.08  186.70
    7.00  -67.55  304.29  -66.39  197.84
    8.00  -68.32  319.29  -70.70  208.54
    9.00  -68.21  334.29  -74.42  223.30
   10.00  -67.89  349.29  -77.80  243.85
   11.00  -67.70    4.29  -80.45  274.28
   12.00  -67.74   19.29  -80.99  315.35
   13.00  -67.99   34.29  -78.82  351.42
   14.00  -68.48   49.29  -75.40   15.80
   15.00  -69.18   64.29  -71.93   33.75
   16.00  -70.03   79.29  -68.74   48.56
   17.00  -70.69   94.29  -65.72   60.94
   18.00  -70.58  109.29  -62.43   70.78
   19.00  -70.03  124.29  -59.26   79.66
   20.00  -69.08  139.29  -56.29   88.25
   21.00  -68.15  154.29  -53.93   97.24
   22.00  -66.21  169.29  -51.02  106.30
   23.00  -64.36  184.29  -48.71  116.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.33  199.29  -52.76  126.22
    1.00  -69.44  214.29  -54.50  135.48
    2.00  -70.39  229.29  -56.58  144.42
    3.00  -75.60  244.29  -62.91  149.38
    4.00  -77.95  259.29  -66.70  153.82
    5.00  -78.27  274.29  -68.97  159.87
    6.00  -77.42  289.29  -70.76  168.31
    7.00  -76.49  304.29  -72.99  177.51
    8.00  -76.74  319.29  -76.24  183.15
    9.00  -76.41  334.29  -79.49  190.82
   10.00  -76.59  349.29  -83.11  194.52
   11.00  -76.49    4.29  -86.83  195.14
   12.00  -76.77   19.29  -88.66   88.02
   13.00  -76.58   34.29  -85.11   53.20
   14.00  -76.58   49.29  -81.19   55.85
   15.00  -76.34   64.29  -77.29   60.23
   16.00  -76.52   79.29  -73.82   67.54
   17.00  -76.28   94.29  -70.42   73.70
   18.00  -77.00  109.29  -68.19   82.33
   19.00  -76.83  124.29  -65.76   88.92
   20.00  -75.81  139.29  -62.97   94.80
   21.00  -73.74  154.29  -59.55  100.83
   22.00  -71.21  169.29  -56.06  108.12
   23.00  -69.36  184.29  -53.72  116.83
</PRE>


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