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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>
03 May 1997 16:32:35 yearsecs  10600355
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.39  185.42  -42.72  116.12
    1.00  -58.87  200.42  -43.49  127.29
    2.00  -59.35  215.42  -44.88  138.32
    3.00  -59.82  230.42  -46.78  149.34
    4.00  -59.84  245.42  -48.66  160.62
    5.00  -60.68  260.42  -51.70  171.62
    6.00  -62.36  275.42  -55.78  181.99
    7.00  -63.63  290.42  -59.84  192.43
    8.00  -63.34  305.42  -62.96  204.98
    9.00  -62.38  320.42  -65.79  219.94
   10.00  -63.32  335.42  -70.39  234.76
   11.00  -62.76  350.42  -73.19  256.53
   12.00  -62.71    5.42  -75.33  284.35
   13.00  -62.88   20.42  -75.35  316.76
   14.00  -63.28   35.42  -73.11  345.36
   15.00  -63.91   50.42  -69.94    7.24
   16.00  -64.76   65.42  -66.88   25.06
   17.00  -65.84   80.42  -64.21   40.93
   18.00  -65.96   95.42  -60.76   53.67
   19.00  -64.78  110.42  -56.35   63.92
   20.00  -63.14  125.42  -52.02   73.70
   21.00  -61.96  140.42  -48.84   83.97
   22.00  -60.21  155.42  -45.72   94.16
   23.00  -59.16  170.42  -43.82  105.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.38  185.42  -56.75  117.99
    1.00  -73.20  200.42  -57.64  126.62
    2.00  -74.05  215.42  -59.07  134.82
    3.00  -74.58  230.42  -60.63  142.78
    4.00  -75.61  245.42  -63.05  149.95
    5.00  -76.80  260.42  -65.89  156.10
    6.00  -77.06  275.42  -68.23  162.84
    7.00  -76.34  290.42  -70.23  171.47
    8.00  -76.57  305.42  -73.26  177.79
    9.00  -76.94  320.42  -76.57  182.79
   10.00  -76.64  335.42  -79.83  189.92
   11.00  -76.15  350.42  -83.32  198.80
   12.00  -75.85    5.42  -87.14  208.05
   13.00  -75.65   20.42  -88.81   28.86
   14.00  -75.56   35.42  -84.65   40.98
   15.00  -75.27   50.42  -80.42   47.52
   16.00  -75.44   65.42  -76.54   56.60
   17.00  -75.26   80.42  -72.74   63.81
   18.00  -74.91   95.42  -69.13   70.78
   19.00  -74.34  110.42  -65.71   77.65
   20.00  -73.94  125.42  -62.91   85.18
   21.00  -72.99  140.42  -60.09   92.42
   22.00  -73.02  155.42  -58.74  100.95
   23.00  -72.14  170.42  -56.95  109.16
</PRE>


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