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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>
17 Aug 1997 23:39:52 yearsecs  19784392
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.48   75.30  -65.11   35.72
    1.00  -64.99   90.30  -60.91   47.97
    2.00  -65.95  105.30  -58.60   61.43
    3.00  -66.91  120.30  -56.75   73.57
    4.00  -66.59  135.30  -54.23   83.61
    5.00  -67.35  150.30  -53.44   94.16
    6.00  -67.31  165.30  -52.34  104.04
    7.00  -67.25  180.30  -51.68  113.89
    8.00  -67.94  195.30  -52.29  123.68
    9.00  -68.63  210.30  -53.49  133.16
   10.00  -68.24  225.30  -54.21  142.82
   11.00  -67.92  240.30  -55.48  152.75
   12.00  -67.88  255.30  -57.42  162.78
   13.00  -68.10  270.30  -59.97  172.77
   14.00  -68.55  285.30  -63.12  182.54
   15.00  -69.25  300.30  -66.89  191.99
   16.00  -70.07  315.30  -71.09  201.41
   17.00  -70.69  330.30  -75.32  212.24
   18.00  -70.60  345.30  -79.07  228.75
   19.00  -70.03    0.30  -82.06  257.32
   20.00  -69.09   15.30  -82.67  303.52
   21.00  -68.12   30.30  -79.83  343.59
   22.00  -67.27   45.30  -75.22    7.39
   23.00  -66.41   60.30  -70.13   23.14
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.72   75.30  -72.12   52.78
    1.00  -73.73   90.30  -69.29   65.02
    2.00  -74.59  105.30  -66.88   75.36
    3.00  -78.83  120.30  -68.04   90.82
    4.00  -80.73  135.30  -67.96  100.10
    5.00  -81.07  150.30  -67.05  106.14
    6.00  -80.51  165.30  -65.63  111.38
    7.00  -79.97  180.30  -64.58  117.29
    8.00  -79.97  195.30  -64.47  123.70
    9.00  -79.72  210.30  -64.49  130.22
   10.00  -79.80  225.30  -65.27  136.63
   11.00  -79.66  240.30  -66.21  143.14
   12.00  -79.80  255.30  -67.77  149.13
   13.00  -79.57  270.30  -69.38  155.50
   14.00  -79.49  285.30  -71.43  161.31
   15.00  -79.23  300.30  -73.71  167.17
   16.00  -79.28  315.30  -76.40  171.18
   17.00  -79.03  330.30  -79.21  175.08
   18.00  -79.57  345.30  -82.07  170.22
   19.00  -79.42    0.30  -84.71  160.19
   20.00  -78.59   15.30  -86.98  127.78
   21.00  -76.90   30.30  -86.10   59.21
   22.00  -74.87   45.30  -81.64   41.49
   23.00  -73.46   60.30  -76.66   44.82
</PRE>


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