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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>
28 Jun 1997 13:36:08 yearsecs  15428168
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.88  234.49  -49.20  151.58
    1.00  -62.46  249.49  -51.69  162.30
    2.00  -63.05  264.49  -54.52  173.08
    3.00  -63.63  279.49  -57.67  183.96
    4.00  -63.13  294.49  -60.26  196.24
    5.00  -64.34  309.49  -64.84  207.07
    6.00  -64.91  324.49  -69.12  220.00
    7.00  -64.98  339.49  -72.90  236.84
    8.00  -65.70  354.49  -76.86  258.17
    9.00  -65.12    9.49  -78.18  290.97
   10.00  -64.69   24.49  -76.94  326.17
   11.00  -64.49   39.49  -73.56  353.41
   12.00  -64.52   54.49  -69.56   13.07
   13.00  -64.77   69.49  -65.81   29.03
   14.00  -65.25   84.49  -62.56   43.42
   15.00  -65.95   99.49  -59.84   56.89
   16.00  -66.87  114.49  -57.74   69.40
   17.00  -68.02  129.49  -56.46   80.95
   18.00  -68.03  144.49  -54.67   90.79
   19.00  -67.35  159.49  -52.73  100.22
   20.00  -65.94  174.49  -50.53  109.72
   21.00  -64.84  189.49  -49.16  119.69
   22.00  -63.54  204.49  -48.25  129.95
   23.00  -62.37  219.49  -48.13  140.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.90  234.49  -59.42  146.13
    1.00  -73.86  249.49  -61.95  153.90
    2.00  -74.79  264.49  -64.76  161.09
    3.00  -75.69  279.49  -67.84  167.48
    4.00  -77.98  294.49  -72.02  168.96
    5.00  -78.97  309.49  -75.22  170.94
    6.00  -78.58  324.49  -77.98  176.51
    7.00  -78.24  339.49  -81.02  180.68
    8.00  -78.81  354.49  -84.02  172.06
    9.00  -78.60    9.49  -86.60  149.16
   10.00  -78.55   24.49  -86.39   94.19
   11.00  -78.33   39.49  -83.63   71.06
   12.00  -77.98   54.49  -80.19   66.54
   13.00  -77.83   69.49  -76.70   69.13
   14.00  -77.86   84.49  -73.47   74.36
   15.00  -77.43   99.49  -70.25   79.05
   16.00  -77.26  114.49  -67.57   85.22
   17.00  -75.91  129.49  -64.22   90.03
   18.00  -75.69  144.49  -62.33   97.31
   19.00  -76.28  159.49  -61.72  105.45
   20.00  -75.77  174.49  -60.46  112.87
   21.00  -74.09  189.49  -58.45  120.52
   22.00  -73.59  204.49  -58.14  128.86
   23.00  -72.81  219.49  -58.10  137.56
</PRE>


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