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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>
31 Mar 1997 16:25:52 yearsecs   7748752
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.98  187.92  -49.30  118.64
    1.00  -65.32  202.92  -49.92  128.75
    2.00  -66.26  217.92  -51.71  138.61
    3.00  -67.20  232.92  -53.98  148.24
    4.00  -66.89  247.92  -55.51  158.49
    5.00  -67.65  262.92  -58.37  168.16
    6.00  -67.62  277.92  -60.90  178.58
    7.00  -67.64  292.92  -63.91  189.22
    8.00  -68.45  307.92  -68.01  199.06
    9.00  -68.44  322.92  -71.72  211.48
   10.00  -68.16  337.92  -75.30  227.55
   11.00  -67.94  352.92  -78.65  249.80
   12.00  -67.97    7.92  -81.13  283.08
   13.00  -68.23   22.92  -81.18  325.78
   14.00  -68.71   37.92  -78.70  360.00
   15.00  -69.42   52.92  -75.33   22.90
   16.00  -70.23   67.92  -71.93   39.86
   17.00  -70.80   82.92  -68.54   53.12
   18.00  -70.74   97.92  -64.94   63.52
   19.00  -70.17  112.92  -61.34   72.55
   20.00  -69.25  127.92  -57.93   81.14
   21.00  -68.35  142.92  -55.16   90.01
   22.00  -67.55  157.92  -53.04   99.29
   23.00  -65.96  172.92  -50.61  108.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.98  187.92  -54.31  119.17
    1.00  -71.08  202.92  -55.59  128.27
    2.00  -72.00  217.92  -57.22  136.94
    3.00  -76.99  232.92  -63.12  142.36
    4.00  -79.15  247.92  -66.46  147.03
    5.00  -79.51  262.92  -68.41  152.72
    6.00  -78.79  277.92  -69.87  160.25
    7.00  -77.97  292.92  -71.74  168.37
    8.00  -78.23  307.92  -74.61  173.22
    9.00  -78.02  322.92  -77.50  178.81
   10.00  -78.01  337.92  -80.67  182.04
   11.00  -77.91  352.92  -83.94  181.75
   12.00  -78.11    7.92  -86.80  159.43
   13.00  -77.89   22.92  -87.17   90.86
   14.00  -77.80   37.92  -84.10   66.52
   15.00  -77.55   52.92  -80.49   63.48
   16.00  -77.62   67.92  -76.97   67.65
   17.00  -77.36   82.92  -73.51   72.04
   18.00  -78.08   97.92  -71.00   80.16
   19.00  -77.97  112.92  -68.39   86.00
   20.00  -77.01  127.92  -65.44   90.91
   21.00  -75.06  142.92  -61.86   95.85
   22.00  -72.66  157.92  -58.20  102.15
   23.00  -70.96  172.92  -55.65  110.22
</PRE>


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