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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>
22 Jun 1997 13:07:52 yearsecs  14908072
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.81  240.13  -50.77  155.27
    1.00  -63.27  255.13  -53.25  165.97
    2.00  -63.84  270.13  -56.18  176.68
    3.00  -64.40  285.13  -59.46  187.47
    4.00  -64.12  300.13  -62.42  199.58
    5.00  -65.42  315.13  -67.20  210.33
    6.00  -65.76  330.13  -71.29  224.28
    7.00  -65.80  345.13  -74.97  242.82
    8.00  -66.34    0.13  -78.48  267.83
    9.00  -65.72   15.13  -78.93  304.37
   10.00  -65.31   30.13  -76.68  338.39
   11.00  -65.12   45.13  -72.82    2.59
   12.00  -65.16   60.13  -68.76   20.41
   13.00  -65.41   75.13  -65.08   35.45
   14.00  -65.90   90.13  -61.92   49.26
   15.00  -66.61  105.13  -59.31   62.17
   16.00  -67.54  120.13  -57.42   74.13
   17.00  -68.68  135.13  -56.39   85.24
   18.00  -68.70  150.13  -54.83   94.89
   19.00  -68.01  165.13  -53.06  104.21
   20.00  -66.70  180.13  -51.13  113.67
   21.00  -65.61  195.13  -49.98  123.53
   22.00  -64.44  210.13  -49.42  133.72
   23.00  -63.27  225.13  -49.51  144.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.58  240.13  -62.46  147.22
    1.00  -76.67  255.13  -65.11  153.68
    2.00  -77.63  270.13  -67.89  159.30
    3.00  -78.76  285.13  -70.95  163.17
    4.00  -80.94  300.13  -74.43  161.06
    5.00  -81.51  315.13  -76.86  161.08
    6.00  -81.36  330.13  -79.17  161.82
    7.00  -80.70  345.13  -81.68  162.14
    8.00  -81.25    0.13  -83.32  146.99
    9.00  -80.87   15.13  -84.54  126.02
   10.00  -80.81   30.13  -83.78  101.28
   11.00  -80.55   45.13  -81.80   86.41
   12.00  -80.17   60.13  -79.14   80.16
   13.00  -79.92   75.13  -76.24   80.01
   14.00  -79.94   90.13  -73.52   83.45
   15.00  -79.52  105.13  -70.78   86.77
   16.00  -79.31  120.13  -68.47   91.74
   17.00  -77.98  135.13  -65.48   95.65
   18.00  -77.82  150.13  -63.91  102.27
   19.00  -78.46  165.13  -63.58  109.75
   20.00  -78.05  180.13  -62.61  116.52
   21.00  -76.54  195.13  -60.95  123.63
   22.00  -76.00  210.13  -60.75  131.37
   23.00  -75.51  225.13  -61.10  139.39
</PRE>


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