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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 Jul 1997 21:26:00 yearsecs  15715560
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.23  105.95  -56.67   59.75
    1.00  -65.46  120.95  -55.15   72.54
    2.00  -66.29  135.95  -53.84   83.81
    3.00  -67.69  150.95  -53.73   94.79
    4.00  -67.34  165.95  -52.33  104.48
    5.00  -68.05  180.95  -52.47  114.47
    6.00  -68.05  195.95  -52.42  124.10
    7.00  -68.52  210.95  -53.42  133.59
    8.00  -69.76  225.95  -55.69  142.63
    9.00  -70.46  240.95  -57.87  151.59
   10.00  -69.99  255.95  -59.38  161.43
   11.00  -69.50  270.95  -61.30  171.66
   12.00  -69.31  285.95  -63.88  181.94
   13.00  -69.38  300.95  -67.14  192.21
   14.00  -69.72  315.95  -70.98  202.71
   15.00  -70.32  330.95  -75.21  213.98
   16.00  -70.91  345.95  -79.46  228.32
   17.00  -70.97    0.95  -83.03  254.49
   18.00  -71.07   15.95  -84.85  305.07
   19.00  -70.37   30.95  -82.07  351.99
   20.00  -69.49   45.95  -77.34   14.63
   21.00  -68.64   60.95  -72.31   29.09
   22.00  -67.62   75.95  -67.23   40.47
   23.00  -65.70   90.95  -61.52   49.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.23  105.95  -61.78   66.51
    1.00  -70.46  120.95  -60.22   78.06
    2.00  -71.29  135.95  -58.91   88.16
    3.00  -77.25  150.95  -63.29  102.08
    4.00  -79.29  165.95  -64.38  110.71
    5.00  -79.72  180.95  -64.31  117.48
    6.00  -78.97  195.95  -63.44  124.00
    7.00  -77.84  210.95  -62.63  131.20
    8.00  -77.91  225.95  -63.47  138.30
    9.00  -77.85  240.95  -64.62  145.43
   10.00  -77.58  255.95  -65.99  152.82
   11.00  -77.60  270.95  -67.98  159.73
   12.00  -77.90  285.95  -70.52  165.66
   13.00  -77.72  300.95  -73.04  172.31
   14.00  -77.54  315.95  -75.89  178.64
   15.00  -77.36  330.95  -79.02  184.45
   16.00  -77.18  345.95  -82.39  189.02
   17.00  -76.98    0.95  -85.93  188.98
   18.00  -78.19   15.95  -87.42  125.31
   19.00  -78.50   30.95  -85.34   80.59
   20.00  -77.66   45.95  -82.19   63.66
   21.00  -75.70   60.95  -77.83   55.54
   22.00  -72.62   75.95  -71.87   52.92
   23.00  -70.70   90.95  -66.50   58.64
</PRE>


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