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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>
24 Apr 1997 16:40:45 yearsecs   9823245
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.27  182.97  -48.63  115.15
    1.00  -64.02  197.97  -48.48  125.44
    2.00  -64.98  212.97  -50.12  135.56
    3.00  -65.93  227.97  -52.29  145.44
    4.00  -65.72  242.97  -53.81  155.80
    5.00  -66.76  257.97  -56.82  165.50
    6.00  -66.93  272.97  -59.41  175.84
    7.00  -66.78  287.97  -62.13  186.78
    8.00  -67.46  302.97  -66.00  196.98
    9.00  -67.04  317.97  -69.31  209.96
   10.00  -66.68  332.97  -72.81  225.47
   11.00  -66.44  347.97  -76.20  245.59
   12.00  -66.47    2.97  -79.02  273.76
   13.00  -66.73   17.97  -79.95  311.51
   14.00  -67.21   32.97  -78.26  347.09
   15.00  -67.92   47.97  -75.19   12.60
   16.00  -68.85   62.97  -71.97   31.63
   17.00  -69.86   77.97  -68.92   47.13
   18.00  -69.69   92.97  -65.07   58.09
   19.00  -69.12  107.97  -61.26   67.73
   20.00  -68.01  122.97  -57.43   76.58
   21.00  -66.98  137.97  -54.31   85.71
   22.00  -65.97  152.97  -51.81   95.16
   23.00  -64.80  167.97  -49.66  104.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.27  182.97  -53.65  115.99
    1.00  -70.38  197.97  -54.77  125.33
    2.00  -71.41  212.97  -56.34  134.19
    3.00  -74.96  227.97  -60.79  141.22
    4.00  -77.52  242.97  -64.52  146.74
    5.00  -78.05  257.97  -66.63  153.06
    6.00  -77.27  272.97  -68.03  161.28
    7.00  -76.56  287.97  -69.95  169.79
    8.00  -77.15  302.97  -73.10  174.90
    9.00  -76.73  317.97  -75.95  182.66
   10.00  -76.84  332.97  -79.32  187.95
   11.00  -76.65  347.97  -82.80  193.71
   12.00  -76.68    2.97  -86.47  192.46
   13.00  -76.48   17.97  -89.11   92.18
   14.00  -76.59   32.97  -85.45   53.44
   15.00  -76.26   47.97  -81.45   53.11
   16.00  -76.45   62.97  -77.67   60.18
   17.00  -75.74   77.97  -73.64   64.18
   18.00  -75.96   92.97  -70.46   72.21
   19.00  -75.91  107.97  -67.51   79.41
   20.00  -74.96  122.97  -64.22   85.32
   21.00  -72.87  137.97  -60.24   90.90
   22.00  -71.24  152.97  -57.14   98.31
   23.00  -69.80  167.97  -54.71  106.74
</PRE>


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