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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>
01 Aug 1997 15:08:38 yearsecs  18371318
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.52  212.91  -47.76  135.95
    1.00  -63.03  227.91  -49.56  146.43
    2.00  -63.55  242.91  -51.80  156.92
    3.00  -64.05  257.91  -54.39  167.47
    4.00  -63.71  272.91  -56.55  178.88
    5.00  -65.00  287.91  -60.55  188.92
    6.00  -65.33  302.91  -64.14  200.17
    7.00  -65.16  317.91  -67.68  213.26
    8.00  -65.79  332.91  -72.01  227.29
    9.00  -65.23  347.91  -75.07  248.17
   10.00  -64.88    2.91  -77.37  276.36
   11.00  -64.73   17.91  -77.69  311.29
   12.00  -64.81   32.91  -75.50  342.96
   13.00  -65.10   47.91  -72.05    6.22
   14.00  -65.61   62.91  -68.53   24.17
   15.00  -66.35   77.91  -65.39   39.67
   16.00  -67.31   92.91  -62.73   53.82
   17.00  -68.49  107.91  -60.65   66.80
   18.00  -68.56  122.91  -58.00   77.13
   19.00  -67.89  137.91  -55.25   86.39
   20.00  -66.63  152.91  -52.49   95.48
   21.00  -65.43  167.91  -50.31  105.10
   22.00  -64.21  182.91  -48.58  115.10
   23.00  -62.99  197.91  -47.46  125.41
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.50  212.91  -57.41  133.87
    1.00  -73.58  227.91  -59.47  141.98
    2.00  -74.51  242.91  -61.77  149.65
    3.00  -75.48  257.91  -64.44  156.65
    4.00  -78.05  272.91  -68.61  159.73
    5.00  -79.00  287.91  -71.54  163.59
    6.00  -78.40  302.91  -73.76  170.86
    7.00  -77.76  317.91  -76.38  178.44
    8.00  -78.58  332.91  -79.68  177.92
    9.00  -78.42  347.91  -82.80  178.65
   10.00  -78.50    2.91  -85.72  165.82
   11.00  -78.36   17.91  -87.20  116.34
   12.00  -78.02   32.91  -85.17   72.44
   13.00  -77.88   47.91  -81.73   65.39
   14.00  -78.05   62.91  -78.26   68.45
   15.00  -77.68   77.91  -74.77   71.30
   16.00  -77.55   92.91  -71.59   76.65
   17.00  -76.10  107.91  -67.68   79.77
   18.00  -75.92  122.91  -65.12   86.78
   19.00  -76.67  137.91  -63.95   95.17
   20.00  -75.75  152.91  -61.66  101.68
   21.00  -74.20  167.91  -59.15  108.64
   22.00  -73.43  182.91  -57.85  116.75
   23.00  -72.64  197.91  -57.03  125.22
</PRE>


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