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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>
22 Aug 1997 12:34:48 yearsecs  20176488
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.99  245.90  -50.75  159.90
    1.00  -62.56  260.90  -53.50  170.74
    2.00  -63.14  275.90  -56.57  181.67
    3.00  -63.71  290.90  -60.01  192.72
    4.00  -63.25  305.90  -62.98  205.51
    5.00  -64.49  320.90  -67.83  217.18
    6.00  -65.03  335.90  -72.08  232.27
    7.00  -65.11  350.90  -75.59  253.18
    8.00  -65.76    5.90  -78.61  281.72
    9.00  -65.12   20.90  -77.88  318.35
   10.00  -64.70   35.90  -74.70  348.00
   11.00  -64.51   50.90  -70.54    8.86
   12.00  -64.55   65.90  -66.50   25.15
   13.00  -64.81   80.90  -62.95   39.55
   14.00  -65.29   95.90  -59.94   53.06
   15.00  -66.00  110.90  -57.52   65.73
   16.00  -66.93  125.90  -55.88   77.48
   17.00  -68.08  140.90  -55.10   88.49
   18.00  -68.10  155.90  -53.75   98.26
   19.00  -67.42  170.90  -52.17  107.77
   20.00  -66.03  185.90  -50.36  117.39
   21.00  -64.93  200.90  -49.46  127.41
   22.00  -63.65  215.90  -49.06  137.83
   23.00  -62.47  230.90  -49.35  148.76
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.15  245.90  -59.08  154.16
    1.00  -72.19  260.90  -62.02  162.28
    2.00  -73.17  275.90  -65.23  169.86
    3.00  -74.14  290.90  -68.74  176.64
    4.00  -76.70  305.90  -73.43  177.59
    5.00  -77.74  320.90  -76.99  179.48
    6.00  -77.22  335.90  -80.09  186.62
    7.00  -76.63  350.90  -83.51  194.45
    8.00  -77.56    5.90  -86.82  173.09
    9.00  -77.35   20.90  -87.92   90.96
   10.00  -77.37   35.90  -84.65   62.57
   11.00  -77.18   50.90  -80.92   60.53
   12.00  -76.83   65.90  -77.12   63.22
   13.00  -76.70   80.90  -73.56   68.87
   14.00  -76.79   95.90  -70.47   75.80
   15.00  -76.36  110.90  -67.39   81.74
   16.00  -76.21  125.90  -64.97   88.70
   17.00  -74.73  140.90  -61.75   94.44
   18.00  -74.51  155.90  -60.20  102.28
   19.00  -75.17  170.90  -59.99  110.72
   20.00  -74.57  185.90  -58.97  118.62
   21.00  -72.66  200.90  -57.12  126.94
   22.00  -72.03  215.90  -57.11  135.75
   23.00  -71.13  230.90  -57.43  145.03
</PRE>


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