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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 01:39:58 yearsecs   9596398
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.45   45.19  -62.91  353.12
    1.00  -57.67   60.19  -59.07    9.63
    2.00  -57.85   75.19  -55.68   24.40
    3.00  -58.01   90.19  -52.72   38.54
    4.00  -58.14  105.19  -50.03   52.32
    5.00  -58.65  120.19  -48.03   65.80
    6.00  -60.33  135.19  -47.73   79.01
    7.00  -61.65  150.19  -47.60   90.96
    8.00  -60.86  165.19  -45.80  101.64
    9.00  -59.90  180.19  -44.29  112.45
   10.00  -60.01  195.19  -44.44  123.44
   11.00  -60.24  210.19  -45.36  134.35
   12.00  -60.61  225.19  -46.98  145.22
   13.00  -61.15  240.19  -49.21  156.08
   14.00  -61.85  255.19  -51.97  166.91
   15.00  -62.74  270.19  -55.20  177.64
   16.00  -63.82  285.19  -58.94  188.15
   17.00  -65.08  300.19  -63.29  198.35
   18.00  -65.42  315.19  -67.22  210.38
   19.00  -64.16  330.19  -69.88  227.30
   20.00  -62.63  345.19  -71.99  248.78
   21.00  -61.52    0.19  -73.53  275.25
   22.00  -59.64   15.19  -72.02  306.31
   23.00  -58.46   30.19  -68.28  333.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.98   45.19  -80.55   29.18
    1.00  -73.83   60.19  -76.94   46.30
    2.00  -74.63   75.19  -73.57   58.83
    3.00  -75.05   90.19  -70.37   68.36
    4.00  -75.73  105.19  -67.87   77.66
    5.00  -76.88  120.19  -66.38   87.10
    6.00  -77.17  135.19  -64.72   94.54
    7.00  -76.37  150.19  -62.49  100.87
    8.00  -76.32  165.19  -61.42  108.37
    9.00  -76.62  180.19  -61.15  116.10
   10.00  -76.16  195.19  -60.56  123.67
   11.00  -75.85  210.19  -60.60  131.45
   12.00  -75.65  225.19  -61.24  139.34
   13.00  -75.49  240.19  -62.38  147.33
   14.00  -75.49  255.19  -64.10  155.21
   15.00  -75.33  270.19  -66.07  163.31
   16.00  -75.64  285.19  -68.79  170.47
   17.00  -75.83  300.19  -71.75  177.49
   18.00  -75.46  315.19  -74.70  186.06
   19.00  -74.58  330.19  -77.73  197.73
   20.00  -74.27  345.19  -81.34  209.80
   21.00  -73.57    0.19  -84.85  233.96
   22.00  -73.67   15.19  -87.68  298.11
   23.00  -72.86   30.19  -84.56    4.72
</PRE>


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