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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>
17 Jun 1997 22:34:24 yearsecs  14510064
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.87   88.55  -61.18   46.29
    1.00  -65.10  103.55  -58.08   58.94
    2.00  -66.12  118.55  -56.24   71.48
    3.00  -67.16  133.55  -55.03   82.89
    4.00  -67.03  148.55  -53.26   92.80
    5.00  -68.02  163.55  -53.16  103.19
    6.00  -68.39  178.55  -52.87  113.00
    7.00  -69.34  193.55  -53.67  122.61
    8.00  -71.13  208.55  -55.85  131.62
    9.00  -71.43  223.55  -57.08  140.48
   10.00  -70.36  238.55  -57.50  150.17
   11.00  -69.51  253.55  -58.62  160.30
   12.00  -69.04  268.55  -60.49  170.59
   13.00  -68.90  283.55  -63.07  180.87
   14.00  -69.08  298.55  -66.35  191.03
   15.00  -69.56  313.55  -70.27  201.19
   16.00  -70.07  328.55  -74.41  212.49
   17.00  -70.04  343.55  -78.21  228.61
   18.00  -70.07  358.55  -81.74  253.24
   19.00  -69.26   13.55  -82.84  297.74
   20.00  -68.26   28.55  -80.33  339.98
   21.00  -67.42   43.55  -75.86    5.29
   22.00  -66.86   58.55  -71.11   22.28
   23.00  -66.00   73.55  -66.14   35.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.06   88.55  -67.39   57.71
    1.00  -72.26  103.55  -65.15   69.92
    2.00  -73.10  118.55  -63.17   80.16
    3.00  -78.54  133.55  -66.17   95.80
    4.00  -80.43  148.55  -66.56  104.64
    5.00  -80.87  163.55  -66.08  110.99
    6.00  -80.26  178.55  -64.92  116.67
    7.00  -79.35  193.55  -63.82  122.93
    8.00  -79.48  208.55  -64.20  129.54
    9.00  -79.45  223.55  -64.82  136.13
   10.00  -79.21  238.55  -65.65  142.89
   11.00  -79.19  253.55  -67.08  149.38
   12.00  -79.39  268.55  -69.02  155.20
   13.00  -79.16  283.55  -70.96  161.53
   14.00  -78.93  298.55  -73.26  167.58
   15.00  -78.71  313.55  -75.88  173.14
   16.00  -78.48  328.55  -78.78  177.83
   17.00  -78.25  343.55  -81.89  180.61
   18.00  -79.28  358.55  -84.52  163.67
   19.00  -79.52   13.55  -85.95  131.55
   20.00  -78.70   28.55  -85.64   86.73
   21.00  -76.88   43.55  -82.73   56.91
   22.00  -74.05   58.55  -77.53   46.14
   23.00  -72.32   73.55  -72.24   50.35
</PRE>


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