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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
18 Mar 1997 03:42:01 yearsecs   6579721
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.19   17.90  -72.46  311.59
    1.00  -61.29   32.90  -71.24  339.35
    2.00  -62.34   47.90  -68.69    1.78
    3.00  -63.37   62.90  -65.89   20.11
    4.00  -63.08   77.90  -61.71   34.06
    5.00  -64.31   92.90  -59.56   49.13
    6.00  -64.89  107.90  -56.96   62.10
    7.00  -65.06  122.90  -54.42   73.57
    8.00  -65.64  137.90  -52.94   84.66
    9.00  -65.00  152.90  -50.83   94.60
   10.00  -64.59  167.90  -49.45  104.81
   11.00  -64.40  182.90  -48.77  115.13
   12.00  -64.44  197.90  -48.88  125.39
   13.00  -64.70  212.90  -49.85  135.57
   14.00  -65.18  227.90  -51.58  145.67
   15.00  -65.89  242.90  -53.95  155.66
   16.00  -66.82  257.90  -56.86  165.41
   17.00  -65.58  272.90  -58.21  177.14
   18.00  -65.45  287.90  -60.94  188.39
   19.00  -66.15  302.90  -64.86  198.97
   20.00  -65.27  317.90  -67.76  213.08
   21.00  -62.71  332.90  -69.21  232.76
   22.00  -61.75  347.90  -71.69  254.10
   23.00  -60.36    2.90  -72.60  281.54
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.19   17.90  -78.21  311.28
    1.00  -66.29   32.90  -77.23  345.22
    2.00  -67.34   47.90  -74.58   11.03
    3.00  -68.37   62.90  -71.50   30.32
    4.00  -71.56   77.90  -70.48   51.34
    5.00  -72.77   92.90  -67.90   64.36
    6.00  -71.83  107.90  -63.88   71.87
    7.00  -71.21  122.90  -60.64   80.20
    8.00  -72.71  137.90  -60.09   90.70
    9.00  -72.67  152.90  -58.59   99.27
   10.00  -72.88  167.90  -57.81  108.02
   11.00  -72.79  182.90  -57.21  116.61
   12.00  -72.51  197.90  -56.90  125.22
   13.00  -72.51  212.90  -57.41  133.87
   14.00  -72.76  227.90  -58.69  142.42
   15.00  -72.34  242.90  -59.80  151.43
   16.00  -72.29  257.90  -61.68  160.39
   17.00  -70.58  272.90  -62.56  171.63
   18.00  -70.45  287.90  -65.23  181.52
   19.00  -71.15  302.90  -69.00  190.17
   20.00  -70.27  317.90  -71.88  202.97
   21.00  -67.71  332.90  -73.66  223.03
   22.00  -66.75  347.90  -76.47  244.74
   23.00  -65.36    2.90  -77.87  275.59
</PRE>


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