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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>
28 Aug 1997 18:05:36 yearsecs  20714736
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.52  158.95  -48.88   98.13
    1.00  -63.72  173.95  -48.32  108.77
    2.00  -64.73  188.95  -49.05  119.31
    3.00  -65.72  203.95  -50.36  129.41
    4.00  -65.72  218.95  -51.28  139.43
    5.00  -67.07  233.95  -53.98  148.98
    6.00  -67.57  248.95  -56.26  158.73
    7.00  -67.67  263.95  -58.55  168.84
    8.00  -68.59  278.95  -61.93  178.13
    9.00  -68.51  293.95  -64.87  188.67
   10.00  -68.32  308.95  -68.14  200.10
   11.00  -67.42  323.95  -71.14  214.66
   12.00  -66.95  338.95  -74.53  231.87
   13.00  -66.77  353.95  -77.78  254.76
   14.00  -66.85    8.95  -80.02  287.61
   15.00  -67.17   23.95  -79.85  327.11
   16.00  -67.71   38.95  -77.37  358.95
   17.00  -68.36   53.95  -73.98   20.99
   18.00  -67.57   68.95  -69.03   34.13
   19.00  -67.24   83.95  -64.81   46.48
   20.00  -66.34   98.95  -60.36   57.04
   21.00  -65.49  113.95  -56.42   67.42
   22.00  -64.61  128.95  -53.03   77.54
   23.00  -63.83  143.95  -50.42   87.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.61  158.95  -56.07  101.56
    1.00  -71.80  173.95  -56.46  111.12
    2.00  -72.86  188.95  -57.21  120.09
    3.00  -75.34  203.95  -59.88  128.30
    4.00  -77.94  218.95  -63.09  134.96
    5.00  -78.69  233.95  -64.80  141.37
    6.00  -78.04  248.95  -65.59  148.94
    7.00  -77.41  263.95  -66.86  156.83
    8.00  -78.18  278.95  -69.60  162.05
    9.00  -77.86  293.95  -71.86  169.08
   10.00  -77.94  308.95  -74.67  174.62
   11.00  -77.75  323.95  -77.63  180.39
   12.00  -77.55  338.95  -80.84  185.23
   13.00  -77.31  353.95  -84.25  187.64
   14.00  -77.37    8.95  -87.52  167.95
   15.00  -76.96   23.95  -87.60   69.99
   16.00  -76.92   38.95  -83.91   56.98
   17.00  -75.79   53.95  -79.70   52.61
   18.00  -75.81   68.95  -75.86   59.97
   19.00  -76.05   83.95  -72.46   68.10
   20.00  -75.25   98.95  -68.68   73.44
   21.00  -73.22  113.95  -64.06   77.71
   22.00  -71.96  128.95  -60.49   84.71
   23.00  -70.89  143.95  -57.62   92.62
</PRE>


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