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    <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>
22 Feb 1997 23:52:31 yearsecs   4578751
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.04   78.79  -60.24   33.30
    1.00  -62.60   93.79  -57.47   47.51
    2.00  -63.18  108.79  -54.97   60.80
    3.00  -63.75  123.79  -52.91   73.01
    4.00  -63.30  138.79  -50.41   83.64
    5.00  -64.55  153.79  -50.30   94.98
    6.00  -65.08  168.79  -49.90  105.59
    7.00  -65.13  183.79  -49.49  115.85
    8.00  -65.79  198.79  -50.24  125.97
    9.00  -65.19  213.79  -50.38  136.08
   10.00  -64.74  228.79  -51.26  146.45
   11.00  -64.55  243.79  -52.84  157.02
   12.00  -64.58  258.79  -55.00  167.74
   13.00  -64.84  273.79  -57.71  178.51
   14.00  -65.32  288.79  -61.02  189.21
   15.00  -66.03  303.79  -64.97  199.86
   16.00  -66.96  318.79  -69.45  210.85
   17.00  -68.12  333.79  -74.22  222.98
   18.00  -68.14  348.79  -77.91  242.35
   19.00  -67.46    3.79  -80.13  273.64
   20.00  -66.07   18.79  -79.14  313.54
   21.00  -64.97   33.79  -75.49  344.76
   22.00  -63.70   48.79  -70.13    4.91
   23.00  -62.52   63.79  -64.60   19.65
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.76   78.79  -68.62   47.56
    1.00  -70.85   93.79  -65.97   60.90
    2.00  -71.85  108.79  -63.73   72.44
    3.00  -72.85  123.79  -62.10   82.80
    4.00  -75.59  138.79  -62.81   94.30
    5.00  -76.67  153.79  -62.51  102.93
    6.00  -76.06  168.79  -60.98  110.06
    7.00  -75.25  183.79  -59.69  117.61
    8.00  -76.16  198.79  -60.60  125.52
    9.00  -75.97  213.79  -60.88  133.28
   10.00  -76.01  228.79  -61.85  140.99
   11.00  -75.87  243.79  -63.10  148.86
   12.00  -75.55  258.79  -64.61  157.03
   13.00  -75.46  273.79  -66.74  164.97
   14.00  -75.62  288.79  -69.43  172.32
   15.00  -75.21  303.79  -72.09  181.00
   16.00  -75.09  318.79  -75.31  189.21
   17.00  -73.54  333.79  -78.06  204.73
   18.00  -73.35  348.79  -81.80  219.16
   19.00  -74.13    3.79  -86.08  235.35
   20.00  -73.56   18.79  -87.43  324.64
   21.00  -71.54   33.79  -82.51    3.76
   22.00  -70.80   48.79  -77.78   22.99
   23.00  -69.81   63.79  -72.67   35.02
</PRE>


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