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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>
19 Jun 1997 12:02:57 yearsecs  14644977
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.91  253.65  -47.05  168.46
    1.00  -57.30  268.65  -49.90  180.35
    2.00  -57.67  283.65  -53.00  192.54
    3.00  -58.04  298.65  -56.44  205.06
    4.00  -58.35  313.65  -60.26  218.35
    5.00  -59.14  328.65  -64.73  232.79
    6.00  -61.06  343.65  -70.11  248.89
    7.00  -62.47  358.65  -74.31  271.21
    8.00  -62.42   13.65  -75.26  302.21
    9.00  -61.78   28.65  -72.76  332.44
   10.00  -61.36   43.65  -68.59  355.10
   11.00  -61.17   58.65  -64.25   12.35
   12.00  -61.19   73.65  -60.44   27.28
   13.00  -61.45   88.65  -57.27   41.42
   14.00  -61.93  103.65  -54.63   55.10
   15.00  -62.63  118.65  -52.57   68.05
   16.00  -63.55  133.65  -51.30   80.10
   17.00  -64.70  148.65  -50.88   91.48
   18.00  -64.93  163.65  -50.02  101.99
   19.00  -63.57  178.65  -48.02  112.03
   20.00  -61.90  193.65  -46.28  122.39
   21.00  -60.71  208.65  -45.72  133.17
   22.00  -58.88  223.65  -45.16  144.56
   23.00  -57.80  238.65  -45.79  156.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.58  253.65  -61.35  157.56
    1.00  -73.47  268.65  -64.29  165.24
    2.00  -74.32  283.65  -67.52  172.27
    3.00  -74.80  298.65  -70.76  179.35
    4.00  -75.57  313.65  -74.42  184.90
    5.00  -76.66  328.65  -78.28  187.25
    6.00  -77.04  343.65  -81.83  189.67
    7.00  -76.11  358.65  -85.40  201.76
    8.00  -76.07   13.65  -89.28  188.83
    9.00  -76.34   28.65  -86.60   50.43
   10.00  -75.84   43.65  -82.48   48.05
   11.00  -75.50   58.65  -78.33   53.35
   12.00  -75.28   73.65  -74.38   60.29
   13.00  -75.09   88.65  -70.73   67.63
   14.00  -75.06  103.65  -67.60   75.46
   15.00  -74.86  118.65  -64.80   82.92
   16.00  -75.15  133.65  -62.98   91.13
   17.00  -75.29  148.65  -61.55   99.06
   18.00  -74.94  163.65  -60.12  106.73
   19.00  -74.12  178.65  -58.65  114.54
   20.00  -73.82  193.65  -58.18  122.81
   21.00  -73.10  208.65  -57.80  131.29
   22.00  -73.22  223.65  -58.79  139.75
   23.00  -72.41  238.65  -59.40  148.87
</PRE>


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