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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>
30 May 1997 21:06:38 yearsecs  12949598
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.41  109.50  -52.92   59.44
    1.00  -62.17  124.50  -51.14   72.18
    2.00  -62.92  139.50  -49.94   83.90
    3.00  -63.64  154.50  -49.31   95.03
    4.00  -63.20  169.50  -47.97  105.49
    5.00  -64.50  184.50  -48.85  116.24
    6.00  -65.27  199.50  -49.75  126.45
    7.00  -65.56  214.50  -50.79  136.48
    8.00  -66.55  229.50  -53.02  146.23
    9.00  -66.88  244.50  -55.05  156.17
   10.00  -65.83  259.50  -56.22  167.31
   11.00  -65.21  274.50  -58.16  178.68
   12.00  -64.95  289.50  -60.83  190.19
   13.00  -64.98  304.50  -64.21  201.97
   14.00  -65.25  319.50  -68.16  214.58
   15.00  -65.76  334.50  -72.39  229.16
   16.00  -66.50  349.50  -76.59  247.86
   17.00  -67.44    4.50  -80.20  275.38
   18.00  -67.16   19.50  -80.32  315.66
   19.00  -66.02   34.50  -76.56  347.68
   20.00  -64.47   49.50  -70.87    7.09
   21.00  -63.74   64.50  -65.92   22.35
   22.00  -62.68   79.50  -60.85   34.91
   23.00  -61.73   94.50  -56.32   46.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.21  109.50  -61.05   68.92
    1.00  -70.33  124.50  -59.52   80.13
    2.00  -71.43  139.50  -58.63   90.41
    3.00  -72.46  154.50  -58.25  100.04
    4.00  -75.13  169.50  -60.02  109.96
    5.00  -76.32  184.50  -60.76  118.21
    6.00  -75.91  199.50  -60.35  125.90
    7.00  -75.27  214.50  -60.22  133.89
    8.00  -76.18  229.50  -62.07  141.24
    9.00  -76.09  244.50  -63.38  149.00
   10.00  -76.00  259.50  -65.09  156.78
   11.00  -75.71  274.50  -67.05  164.89
   12.00  -75.31  289.50  -69.34  173.37
   13.00  -75.15  304.50  -72.20  181.53
   14.00  -75.15  319.50  -75.50  189.37
   15.00  -74.62  334.50  -78.81  200.26
   16.00  -74.40  349.50  -82.51  212.66
   17.00  -72.77    4.50  -85.28  252.05
   18.00  -72.43   19.50  -86.16  322.97
   19.00  -73.00   34.50  -83.54   14.67
   20.00  -72.02   49.50  -78.61   28.92
   21.00  -70.40   64.50  -73.02   37.38
   22.00  -69.94   79.50  -68.60   48.52
   23.00  -69.01   94.50  -64.06   57.96
</PRE>


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