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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>
13 Sep 1997 21:35:32 yearsecs  22109732
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.63  105.59  -57.16   59.95
    1.00  -64.12  120.59  -53.81   70.96
    2.00  -65.12  135.59  -52.68   82.65
    3.00  -66.12  150.59  -52.16   93.62
    4.00  -65.92  165.59  -50.92  103.70
    5.00  -66.92  180.59  -51.35  114.02
    6.00  -67.08  195.59  -51.45  123.85
    7.00  -66.93  210.59  -51.86  133.64
    8.00  -67.60  225.59  -53.62  143.24
    9.00  -67.21  240.59  -54.87  153.34
   10.00  -66.80  255.59  -56.51  163.82
   11.00  -66.60  270.59  -58.71  174.49
   12.00  -66.64  285.59  -61.52  185.23
   13.00  -66.90  300.59  -64.97  196.04
   14.00  -67.38  315.59  -69.00  207.26
   15.00  -68.09  330.59  -73.38  219.67
   16.00  -69.02  345.59  -77.89  234.86
   17.00  -70.00    0.59  -82.09  258.11
   18.00  -69.81   15.59  -83.46  304.16
   19.00  -69.26   30.59  -81.00  347.24
   20.00  -68.17   45.59  -76.11   10.13
   21.00  -67.15   60.59  -70.86   25.08
   22.00  -66.16   75.59  -65.79   37.26
   23.00  -65.28   90.59  -61.15   48.66
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.47  105.59  -64.93   71.54
    1.00  -73.48  120.59  -63.20   81.87
    2.00  -74.44  135.59  -62.06   91.29
    3.00  -77.72  150.59  -63.78  102.38
    4.00  -79.87  165.59  -64.98  110.99
    5.00  -80.32  180.59  -64.94  117.55
    6.00  -79.77  195.59  -64.26  123.83
    7.00  -79.29  210.59  -64.07  130.51
    8.00  -79.82  225.59  -65.30  136.73
    9.00  -79.59  240.59  -66.17  143.34
   10.00  -79.81  255.59  -67.81  149.24
   11.00  -79.59  270.59  -69.43  155.59
   12.00  -79.52  285.59  -71.50  161.34
   13.00  -79.25  300.59  -73.77  167.21
   14.00  -79.22  315.59  -76.44  171.51
   15.00  -78.88  330.59  -79.25  175.96
   16.00  -78.98  345.59  -82.24  174.69
   17.00  -78.42    0.59  -85.35  170.21
   18.00  -78.56   15.59  -87.01  126.65
   19.00  -78.36   30.59  -85.49   79.36
   20.00  -77.45   45.59  -82.27   61.95
   21.00  -75.62   60.59  -77.88   54.97
   22.00  -74.09   75.59  -73.09   57.25
   23.00  -72.87   90.59  -68.51   63.13
</PRE>


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