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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>
20 Jul 1997 22:35:08 yearsecs  17361308
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.00   90.27  -62.00   49.55
    1.00  -66.20  105.27  -58.86   61.73
    2.00  -66.98  120.27  -56.83   73.63
    3.00  -67.76  135.27  -55.43   84.54
    4.00  -67.35  150.27  -53.44   94.14
    5.00  -67.99  165.27  -53.03  104.29
    6.00  -67.90  180.27  -52.34  114.01
    7.00  -68.27  195.27  -52.62  123.67
    8.00  -69.24  210.27  -54.08  133.02
    9.00  -69.73  225.27  -55.60  142.22
   10.00  -69.39  240.27  -56.81  151.85
   11.00  -69.08  255.27  -58.49  161.77
   12.00  -69.03  270.27  -60.77  171.74
   13.00  -69.22  285.27  -63.68  181.60
   14.00  -69.65  300.27  -67.20  191.26
   15.00  -70.31  315.27  -71.27  200.82
   16.00  -70.96  330.27  -75.50  211.39
   17.00  -71.07  345.27  -79.40  226.79
   18.00  -71.20    0.27  -83.08  251.68
   19.00  -70.54   15.27  -84.26  302.65
   20.00  -69.69   30.27  -81.52  347.91
   21.00  -68.90   45.27  -76.95   11.82
   22.00  -68.27   60.27  -72.13   27.47
   23.00  -67.34   75.27  -67.12   39.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.00   90.27  -66.94   58.79
    1.00  -72.14  105.27  -64.69   70.76
    2.00  -72.91  120.27  -62.70   80.87
    3.00  -78.35  135.27  -65.81   96.26
    4.00  -80.22  150.27  -66.24  105.05
    5.00  -80.62  165.27  -65.74  111.46
    6.00  -79.93  180.27  -64.54  117.26
    7.00  -78.91  195.27  -63.37  123.70
    8.00  -78.95  210.27  -63.71  130.49
    9.00  -78.97  225.27  -64.46  137.24
   10.00  -78.76  240.27  -65.39  144.15
   11.00  -78.83  255.27  -66.97  150.66
   12.00  -79.10  270.27  -69.03  156.48
   13.00  -78.92  285.27  -71.08  162.80
   14.00  -78.75  300.27  -73.47  168.78
   15.00  -78.57  315.27  -76.16  174.21
   16.00  -78.39  330.27  -79.11  178.64
   17.00  -78.20  345.27  -82.26  180.84
   18.00  -79.28    0.27  -84.80  161.53
   19.00  -79.56   15.27  -85.94  126.71
   20.00  -78.78   30.27  -85.30   84.66
   21.00  -76.96   45.27  -82.30   57.86
   22.00  -74.12   60.27  -77.10   47.64
   23.00  -72.34   75.27  -71.81   51.63
</PRE>


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