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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 May 1997 11:26:36 yearsecs  12741996
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.76  260.63  -52.72  171.08
    1.00  -62.34  275.63  -55.80  182.17
    2.00  -62.93  290.63  -59.26  193.37
    3.00  -63.52  305.63  -63.16  204.93
    4.00  -63.00  320.63  -66.41  219.25
    5.00  -64.22  335.63  -71.28  233.47
    6.00  -64.82  350.63  -75.25  253.32
    7.00  -64.96    5.63  -77.74  282.23
    8.00  -65.59   20.63  -78.45  317.90
    9.00  -64.95   35.63  -75.05  347.92
   10.00  -64.54   50.63  -70.64    8.59
   11.00  -64.35   65.63  -66.34   24.53
   12.00  -64.38   80.63  -62.54   38.61
   13.00  -64.64   95.63  -59.31   51.90
   14.00  -65.12  110.63  -56.67   64.48
   15.00  -65.83  125.63  -54.79   76.25
   16.00  -66.76  140.63  -53.78   87.33
   17.00  -67.92  155.63  -53.58   97.98
   18.00  -67.93  170.63  -52.70  107.76
   19.00  -67.25  185.63  -51.59  117.38
   20.00  -65.84  200.63  -50.35  127.19
   21.00  -64.74  215.63  -50.09  137.42
   22.00  -63.43  230.63  -50.23  148.22
   23.00  -62.26  245.63  -50.97  159.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.97  260.63  -63.51  160.04
    1.00  -74.93  275.63  -66.61  166.85
    2.00  -75.86  290.63  -69.94  172.70
    3.00  -76.77  305.63  -73.41  177.25
    4.00  -78.61  320.63  -77.22  175.45
    5.00  -79.82  335.63  -80.25  170.41
    6.00  -79.38  350.63  -83.10  169.35
    7.00  -78.77    5.63  -85.96  157.49
    8.00  -79.42   20.63  -85.95  111.45
    9.00  -79.19   35.63  -84.10   82.12
   10.00  -79.10   50.63  -81.10   74.23
   11.00  -78.85   65.63  -77.87   73.25
   12.00  -78.49   80.63  -74.60   75.37
   13.00  -78.32   95.63  -71.58   79.99
   14.00  -78.32  110.63  -69.03   85.84
   15.00  -77.88  125.63  -66.52   91.29
   16.00  -77.70  140.63  -64.64   97.75
   17.00  -76.43  155.63  -62.13  103.63
   18.00  -76.28  170.63  -61.12  111.11
   19.00  -76.89  185.63  -61.33  118.90
   20.00  -76.45  200.63  -60.92  126.43
   21.00  -74.91  215.63  -59.92  134.63
   22.00  -74.49  230.63  -60.56  142.95
   23.00  -73.80  245.63  -61.44  151.79
</PRE>


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