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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>
11 Dec 1997 11:59:32 yearsecs  29764772
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.05  244.50  -45.84  161.18
    1.00  -57.33  259.50  -48.39  172.92
    2.00  -57.58  274.50  -51.21  184.98
    3.00  -57.81  289.50  -54.29  197.39
    4.00  -58.03  304.50  -57.76  210.26
    5.00  -58.65  319.50  -61.99  223.74
    6.00  -60.45  334.50  -67.43  237.90
    7.00  -61.89  349.50  -72.15  256.36
    8.00  -61.31    4.50  -73.75  283.82
    9.00  -60.95   19.50  -73.18  314.75
   10.00  -60.75   34.50  -70.17  341.46
   11.00  -60.74   49.50  -66.18    1.63
   12.00  -60.93   64.50  -62.39   18.03
   13.00  -61.31   79.50  -59.19   32.92
   14.00  -61.90   94.50  -56.52   47.20
   15.00  -62.69  109.50  -54.31   60.83
   16.00  -63.69  124.50  -52.74   73.50
   17.00  -64.90  139.50  -51.99   85.24
   18.00  -65.19  154.50  -50.90   95.80
   19.00  -63.87  169.50  -48.65  105.70
   20.00  -62.28  184.50  -46.62  115.94
   21.00  -61.05  199.50  -45.60  126.56
   22.00  -59.17  214.50  -44.64  137.68
   23.00  -58.03  229.50  -44.93  149.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.16  244.50  -58.92  153.30
    1.00  -72.05  259.50  -61.70  161.60
    2.00  -72.89  274.50  -64.77  169.46
    3.00  -73.32  289.50  -67.85  177.49
    4.00  -74.03  304.50  -71.46  184.54
    5.00  -75.27  319.50  -75.57  188.94
    6.00  -75.32  334.50  -79.13  196.71
    7.00  -74.63  349.50  -82.62  210.91
    8.00  -74.66    4.50  -86.55  229.27
    9.00  -75.05   19.50  -88.74  355.87
   10.00  -74.57   34.50  -84.53   29.09
   11.00  -74.27   49.50  -80.16   40.72
   12.00  -74.10   64.50  -75.96   50.36
   13.00  -73.95   79.50  -72.02   59.19
   14.00  -73.99   94.50  -68.58   68.09
   15.00  -73.84  109.50  -65.43   76.25
   16.00  -74.21  124.50  -63.30   85.06
   17.00  -74.44  139.50  -61.62   93.39
   18.00  -74.06  154.50  -59.85  101.18
   19.00  -73.09  169.50  -57.95  109.03
   20.00  -72.73  184.50  -57.11  117.52
   21.00  -71.92  199.50  -56.34  126.18
   22.00  -72.00  214.50  -57.00  134.94
   23.00  -71.06  229.50  -57.24  144.22
</PRE>


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