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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 Apr 1997 01:39:50 yearsecs   9596390
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.46   45.22  -62.91  353.16
    1.00  -57.67   60.22  -59.07    9.66
    2.00  -57.85   75.22  -55.67   24.43
    3.00  -58.01   90.22  -52.72   38.57
    4.00  -58.14  105.22  -50.03   52.35
    5.00  -58.65  120.22  -48.03   65.83
    6.00  -60.33  135.22  -47.72   79.04
    7.00  -61.65  150.22  -47.59   90.98
    8.00  -60.86  165.22  -45.79  101.66
    9.00  -59.89  180.22  -44.28  112.47
   10.00  -60.00  195.22  -44.44  123.47
   11.00  -60.24  210.22  -45.36  134.37
   12.00  -60.61  225.22  -46.98  145.25
   13.00  -61.15  240.22  -49.21  156.11
   14.00  -61.85  255.22  -51.97  166.93
   15.00  -62.74  270.22  -55.21  177.66
   16.00  -63.82  285.22  -58.95  188.18
   17.00  -65.08  300.22  -63.30  198.38
   18.00  -65.42  315.22  -67.22  210.41
   19.00  -64.16  330.22  -69.89  227.33
   20.00  -62.63  345.22  -72.00  248.82
   21.00  -61.52    0.22  -73.53  275.30
   22.00  -59.64   15.22  -72.02  306.38
   23.00  -58.47   30.22  -68.27  333.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.98   45.22  -80.55   29.22
    1.00  -73.83   60.22  -76.93   46.33
    2.00  -74.63   75.22  -73.56   58.85
    3.00  -75.05   90.22  -70.36   68.38
    4.00  -75.73  105.22  -67.86   77.68
    5.00  -76.88  120.22  -66.38   87.11
    6.00  -77.18  135.22  -64.72   94.56
    7.00  -76.38  150.22  -62.49  100.88
    8.00  -76.32  165.22  -61.42  108.39
    9.00  -76.62  180.22  -61.15  116.11
   10.00  -76.16  195.22  -60.56  123.68
   11.00  -75.85  210.22  -60.60  131.47
   12.00  -75.65  225.22  -61.25  139.36
   13.00  -75.49  240.22  -62.38  147.35
   14.00  -75.49  255.22  -64.10  155.23
   15.00  -75.33  270.22  -66.07  163.33
   16.00  -75.64  285.22  -68.80  170.49
   17.00  -75.83  300.22  -71.76  177.51
   18.00  -75.46  315.22  -74.71  186.08
   19.00  -74.58  330.22  -77.74  197.75
   20.00  -74.27  345.22  -81.35  209.83
   21.00  -73.57    0.22  -84.85  234.02
   22.00  -73.67   15.22  -87.68  298.36
   23.00  -72.86   30.22  -84.55    4.80
</PRE>


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