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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>
26 Aug 1997 15:08:12 yearsecs  20531292
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.41  210.18  -51.33  133.46
    1.00  -66.42  225.18  -52.49  143.40
    2.00  -67.16  240.18  -54.77  153.10
    3.00  -67.89  255.18  -57.41  162.70
    4.00  -67.42  270.18  -59.36  173.39
    5.00  -67.99  285.18  -62.61  183.21
    6.00  -67.82  300.18  -65.67  194.29
    7.00  -68.07  315.18  -69.47  205.58
    8.00  -69.00  330.18  -74.01  216.96
    9.00  -69.42  345.18  -78.12  232.97
   10.00  -69.21    0.18  -81.27  260.20
   11.00  -69.01   15.18  -82.58  303.18
   12.00  -69.03   30.18  -80.84  345.67
   13.00  -69.29   45.18  -77.36   12.94
   14.00  -69.76   60.18  -73.62   31.50
   15.00  -70.47   75.18  -70.21   46.43
   16.00  -71.14   90.18  -67.08   59.02
   17.00  -71.27  105.18  -63.90   69.23
   18.00  -71.43  120.18  -61.30   78.82
   19.00  -70.80  135.18  -58.51   87.22
   20.00  -69.98  150.18  -56.12   95.77
   21.00  -69.20  165.18  -54.26  104.75
   22.00  -68.57  180.18  -53.00  114.09
   23.00  -67.64  195.18  -51.99  123.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.77  210.18  -56.55  132.46
    1.00  -72.86  225.18  -58.57  140.80
    2.00  -73.61  240.18  -60.66  148.88
    3.00  -78.84  255.18  -66.96  150.61
    4.00  -80.64  270.18  -70.13  153.10
    5.00  -81.02  285.18  -72.32  156.91
    6.00  -80.38  300.18  -74.21  163.15
    7.00  -79.41  315.18  -76.42  170.61
    8.00  -79.46  330.18  -79.23  172.64
    9.00  -79.47  345.18  -82.07  170.99
   10.00  -79.26    0.18  -84.80  161.87
   11.00  -79.32   15.18  -86.20  127.21
   12.00  -79.57   30.18  -84.77   92.33
   13.00  -79.39   45.18  -82.17   77.76
   14.00  -79.21   60.18  -79.08   74.60
   15.00  -79.04   75.18  -75.93   76.09
   16.00  -78.86   90.18  -72.92   79.75
   17.00  -78.67  105.18  -70.17   84.56
   18.00  -79.70  120.18  -68.78   92.58
   19.00  -79.96  135.18  -67.29   98.76
   20.00  -79.21  150.18  -65.27  103.82
   21.00  -77.47  165.18  -62.58  109.10
   22.00  -74.74  180.18  -59.24  115.55
   23.00  -73.04  195.18  -57.40  123.66
</PRE>


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