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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>
27 Mar 1997 23:59:23 yearsecs   7430363
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.18   72.76  -64.28   31.08
    1.00  -65.32   87.76  -61.85   46.33
    2.00  -66.14  102.76  -59.33   59.71
    3.00  -67.63  117.76  -57.92   72.59
    4.00  -67.22  132.76  -55.20   82.41
    5.00  -67.86  147.76  -54.18   92.81
    6.00  -67.74  162.76  -52.92  102.55
    7.00  -67.89  177.76  -52.39  112.38
    8.00  -68.80  192.76  -53.13  122.09
    9.00  -69.00  207.76  -53.73  131.49
   10.00  -68.77  222.76  -54.49  141.00
   11.00  -68.58  237.76  -55.79  150.71
   12.00  -68.62  252.76  -57.72  160.50
   13.00  -68.88  267.76  -60.22  170.23
   14.00  -69.36  282.76  -63.31  179.70
   15.00  -70.07  297.76  -66.99  188.76
   16.00  -70.80  312.76  -71.03  197.82
   17.00  -71.11  327.76  -74.97  208.72
   18.00  -71.18  342.76  -78.85  223.25
   19.00  -70.57  357.76  -82.01  249.30
   20.00  -69.72   12.76  -83.32  294.55
   21.00  -68.89   27.76  -81.17  339.56
   22.00  -67.45   42.76  -76.10    4.21
   23.00  -65.53   57.76  -69.84   18.61
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.18   72.76  -69.63   41.24
    1.00  -70.32   87.76  -66.90   55.56
    2.00  -71.14  102.76  -64.27   67.43
    3.00  -76.78  117.76  -66.66   85.79
    4.00  -78.89  132.76  -66.58   96.02
    5.00  -79.25  147.76  -65.50  102.83
    6.00  -78.43  162.76  -63.68  108.64
    7.00  -77.32  177.76  -61.93  115.13
    8.00  -77.39  192.76  -61.80  122.48
    9.00  -77.26  207.76  -61.93  129.83
   10.00  -77.25  222.76  -62.63  137.19
   11.00  -77.32  237.76  -63.84  144.44
   12.00  -77.65  252.76  -65.67  151.23
   13.00  -77.49  267.76  -67.45  158.46
   14.00  -77.40  282.76  -69.65  165.48
   15.00  -77.22  297.76  -72.16  172.48
   16.00  -77.18  312.76  -75.07  178.83
   17.00  -76.99  327.76  -78.20  185.29
   18.00  -78.04  342.76  -81.72  182.19
   19.00  -78.21  357.76  -84.88  175.62
   20.00  -77.35   12.76  -88.12  149.92
   21.00  -75.37   27.76  -86.72   31.83
   22.00  -72.45   42.76  -80.85   23.32
   23.00  -70.53   57.76  -75.01   31.53
</PRE>


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