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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>
27 Sep 1997 13:42:54 yearsecs  23290974
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.19  225.05  -48.48  144.66
    1.00  -62.75  240.05  -50.70  155.25
    2.00  -63.32  255.05  -53.29  165.88
    3.00  -63.88  270.05  -56.20  176.59
    4.00  -63.47  285.05  -58.60  188.41
    5.00  -64.74  300.05  -62.95  198.71
    6.00  -65.22  315.05  -67.01  210.58
    7.00  -65.24  330.05  -70.81  225.21
    8.00  -65.64  345.05  -74.81  243.06
    9.00  -65.27    0.05  -77.38  269.74
   10.00  -64.85   15.05  -77.96  304.49
   11.00  -64.66   30.05  -75.93  337.48
   12.00  -64.70   45.05  -72.35    1.74
   13.00  -64.96   60.05  -68.55   19.95
   14.00  -65.44   75.05  -65.13   35.43
   15.00  -66.15   90.05  -62.20   49.60
   16.00  -67.08  105.05  -59.81   62.76
   17.00  -68.23  120.05  -58.14   74.85
   18.00  -68.26  135.05  -55.96   84.82
   19.00  -67.57  150.05  -53.68   94.13
   20.00  -66.20  165.05  -51.23  103.44
   21.00  -65.09  180.05  -49.52  113.30
   22.00  -63.85  195.05  -48.24  123.44
   23.00  -62.66  210.05  -47.70  133.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.41  225.05  -60.04  139.95
    1.00  -75.43  240.05  -62.32  147.30
    2.00  -76.36  255.05  -64.83  154.05
    3.00  -77.29  270.05  -67.61  159.89
    4.00  -79.51  285.05  -71.41  161.15
    5.00  -80.45  300.05  -74.22  162.85
    6.00  -80.13  315.05  -76.59  167.40
    7.00  -79.62  330.05  -79.22  171.71
    8.00  -80.25  345.05  -81.83  165.32
    9.00  -79.96    0.05  -84.31  155.93
   10.00  -79.89   15.05  -85.59  126.96
   11.00  -79.65   30.05  -84.73   93.21
   12.00  -79.27   45.05  -82.23   76.86
   13.00  -79.07   60.05  -79.10   73.74
   14.00  -79.09   75.05  -75.98   76.28
   15.00  -78.66   90.05  -72.83   79.04
   16.00  -78.46  105.05  -70.03   83.96
   17.00  -77.10  120.05  -66.60   87.43
   18.00  -76.85  135.05  -64.43   94.03
   19.00  -77.45  150.05  -63.56  101.85
   20.00  -77.00  165.05  -62.12  108.73
   21.00  -75.43  180.05  -59.95  115.68
   22.00  -74.95  195.05  -59.33  123.59
   23.00  -74.33  210.05  -59.07  131.79
</PRE>


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