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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>
08 Jun 1997 22:39:20 yearsecs  13732760
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.85   87.03  -51.84   34.30
    1.00  -57.19  102.03  -49.48   48.51
    2.00  -57.52  117.03  -47.30   62.18
    3.00  -57.85  132.03  -45.48   74.92
    4.00  -58.17  147.03  -44.24   86.88
    5.00  -58.90  162.03  -43.96   98.62
    6.00  -60.82  177.03  -45.29  110.31
    7.00  -62.40  192.03  -46.75  121.27
    8.00  -61.99  207.03  -46.86  131.87
    9.00  -61.38  222.03  -47.41  142.71
   10.00  -61.01  237.03  -48.68  153.80
   11.00  -60.90  252.03  -50.60  165.08
   12.00  -60.99  267.03  -53.07  176.54
   13.00  -61.29  282.03  -56.04  188.14
   14.00  -61.81  297.03  -59.62  199.81
   15.00  -62.55  312.03  -63.84  211.81
   16.00  -63.50  327.03  -68.48  224.99
   17.00  -64.67  342.03  -73.21  240.80
   18.00  -64.92  357.03  -76.55  264.40
   19.00  -63.55   12.03  -76.54  298.07
   20.00  -61.90   27.03  -73.21  329.56
   21.00  -60.71   42.03  -68.19  352.23
   22.00  -58.86   57.03  -61.59    7.73
   23.00  -57.76   72.03  -56.28   21.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.35   87.03  -64.17   49.20
    1.00  -68.29  102.03  -61.68   62.30
    2.00  -69.18  117.03  -59.62   73.95
    3.00  -69.56  132.03  -57.68   84.07
    4.00  -70.28  147.03  -56.70   94.02
    5.00  -71.66  162.03  -56.92  103.98
    6.00  -71.84  177.03  -56.39  112.95
    7.00  -70.38  192.03  -54.70  121.72
    8.00  -70.22  207.03  -54.89  130.86
    9.00  -70.60  222.03  -56.16  139.89
   10.00  -70.23  237.03  -57.22  149.30
   11.00  -70.06  252.03  -58.90  158.86
   12.00  -70.04  267.03  -61.11  168.50
   13.00  -70.03  282.03  -63.74  178.28
   14.00  -70.24  297.03  -66.97  187.95
   15.00  -70.21  312.03  -70.40  198.62
   16.00  -70.79  327.03  -74.56  209.04
   17.00  -71.19  342.03  -78.67  222.36
   18.00  -70.85  357.03  -82.08  246.48
   19.00  -69.83   12.03  -83.41  291.91
   20.00  -69.54   27.03  -82.00  339.43
   21.00  -68.59   42.03  -77.51    6.23
   22.00  -68.58   57.03  -73.35   24.94
   23.00  -67.36   72.03  -67.99   36.48
</PRE>


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