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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>
27 Jan 1997 12:18:37 yearsecs   2290717
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.37  245.98  -49.24  160.79
    1.00  -61.03  260.98  -52.11  171.84
    2.00  -61.69  275.98  -55.28  183.00
    3.00  -62.36  290.98  -58.81  194.28
    4.00  -61.50  305.98  -61.40  207.78
    5.00  -62.57  320.98  -66.11  220.23
    6.00  -63.54  335.98  -70.73  235.09
    7.00  -64.05  350.98  -74.57  255.33
    8.00  -64.27    5.98  -77.04  283.87
    9.00  -63.94   20.98  -76.51  318.19
   10.00  -63.53   35.98  -73.27  346.57
   11.00  -63.34   50.98  -69.09    7.00
   12.00  -63.37   65.98  -65.08   23.21
   13.00  -63.63   80.98  -61.60   37.72
   14.00  -64.12   95.98  -58.66   51.45
   15.00  -64.82  110.98  -56.29   64.41
   16.00  -65.76  125.98  -54.66   76.43
   17.00  -66.91  140.98  -53.90   87.68
   18.00  -66.89  155.98  -52.52   97.67
   19.00  -66.25  170.98  -50.99  107.45
   20.00  -64.71  185.98  -49.05  117.29
   21.00  -63.60  200.98  -48.16  127.53
   22.00  -62.11  215.98  -47.59  138.21
   23.00  -60.95  230.98  -47.92  149.37
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.33  245.98  -59.26  154.07
    1.00  -72.03  260.98  -61.90  162.51
    2.00  -72.92  275.98  -65.05  170.28
    3.00  -73.67  290.98  -68.41  177.65
    4.00  -75.72  305.98  -72.87  180.64
    5.00  -76.62  320.98  -76.56  184.35
    6.00  -76.73  335.98  -79.98  189.59
    7.00  -76.17  350.98  -83.47  198.81
    8.00  -76.81    5.98  -87.17  186.99
    9.00  -76.80   20.98  -88.32   77.53
   10.00  -76.65   35.98  -84.67   53.97
   11.00  -76.35   50.98  -80.68   54.86
   12.00  -76.05   65.98  -76.73   59.63
   13.00  -75.97   80.98  -73.09   66.44
   14.00  -75.88   95.98  -69.77   73.47
   15.00  -75.40  110.98  -66.55   79.92
   16.00  -75.28  125.98  -64.10   87.36
   17.00  -74.11  140.98  -61.13   93.85
   18.00  -73.92  155.98  -59.60  101.90
   19.00  -74.39  170.98  -59.19  110.42
   20.00  -73.86  185.98  -58.24  118.55
   21.00  -72.30  200.98  -56.76  127.02
   22.00  -72.05  215.98  -57.14  135.79
   23.00  -70.99  230.98  -57.30  145.16
</PRE>


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