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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 May 1997 16:01:45 yearsecs  12240105
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.85  195.50  -50.23  123.78
    1.00  -65.94  210.50  -50.90  133.74
    2.00  -66.78  225.50  -52.85  143.48
    3.00  -67.63  240.50  -55.24  153.05
    4.00  -67.29  255.50  -56.93  163.38
    5.00  -68.03  270.50  -59.95  172.98
    6.00  -68.09  285.50  -62.76  183.31
    7.00  -68.64  300.50  -66.43  193.17
    8.00  -69.63  315.50  -70.80  202.55
    9.00  -69.74  330.50  -74.67  215.24
   10.00  -69.30  345.50  -78.10  233.79
   11.00  -68.93    0.50  -81.07  261.87
   12.00  -68.82   15.50  -82.37  304.26
   13.00  -68.97   30.50  -80.71  346.21
   14.00  -69.37   45.50  -77.36   13.66
   15.00  -70.02   60.50  -73.78   32.58
   16.00  -70.66   75.50  -70.30   47.17
   17.00  -70.75   90.50  -66.65   58.42
   18.00  -70.87  105.50  -63.46   68.77
   19.00  -70.18  120.50  -60.02   77.44
   20.00  -69.33  135.50  -57.00   86.06
   21.00  -68.57  150.50  -54.65   95.04
   22.00  -67.95  165.50  -52.98  104.43
   23.00  -67.05  180.50  -51.47  113.98
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.90  195.50  -58.27  123.84
    1.00  -75.00  210.50  -59.76  131.85
    2.00  -75.78  225.50  -61.39  139.43
    3.00  -80.41  240.50  -66.91  142.30
    4.00  -82.05  255.50  -69.62  145.16
    5.00  -82.47  270.50  -71.41  148.73
    6.00  -82.04  285.50  -72.89  153.88
    7.00  -81.37  300.50  -74.64  159.55
    8.00  -81.57  315.50  -76.93  160.84
    9.00  -81.68  330.50  -79.18  159.94
   10.00  -81.55  345.50  -81.37  156.35
   11.00  -81.42    0.50  -83.21  145.58
   12.00  -81.47   15.50  -83.90  125.11
   13.00  -81.20   30.50  -83.41  103.03
   14.00  -80.93   45.50  -81.58   88.77
   15.00  -80.67   60.50  -79.06   83.01
   16.00  -80.41   75.50  -76.30   82.28
   17.00  -80.15   90.50  -73.56   84.29
   18.00  -80.97  105.50  -71.69   90.96
   19.00  -81.13  120.50  -69.87   95.87
   20.00  -80.39  135.50  -67.64   99.59
   21.00  -78.77  150.50  -64.81  103.46
   22.00  -76.33  165.50  -61.42  108.53
   23.00  -74.91  180.50  -59.41  115.77
</PRE>


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