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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>
19 Jul 1997 02:25:04 yearsecs  17202304
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.81   35.71  -71.21  344.25
    1.00  -62.39   50.71  -67.97    5.23
    2.00  -62.97   65.71  -64.66   22.28
    3.00  -63.55   80.71  -61.58   37.35
    4.00  -63.05   95.71  -57.55   49.75
    5.00  -64.27  110.71  -55.76   63.56
    6.00  -64.86  125.71  -53.77   75.42
    7.00  -64.98  140.71  -51.94   86.13
    8.00  -65.51  155.71  -51.13   96.78
    9.00  -64.98  170.71  -49.72  106.87
   10.00  -64.57  185.71  -48.91  117.08
   11.00  -64.38  200.71  -48.91  127.30
   12.00  -64.41  215.71  -49.78  137.54
   13.00  -64.67  230.71  -51.40  147.80
   14.00  -65.16  245.71  -53.65  158.03
   15.00  -65.86  260.71  -56.44  168.13
   16.00  -66.80  275.71  -59.78  177.93
   17.00  -67.95  290.71  -63.70  187.19
   18.00  -67.97  305.71  -67.08  198.23
   19.00  -67.29  320.71  -70.21  211.93
   20.00  -65.88  335.71  -72.79  230.34
   21.00  -64.78  350.71  -75.22  253.52
   22.00  -63.48    5.71  -76.17  284.16
   23.00  -62.30   20.71  -74.63  317.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.49   35.71  -81.06    2.42
    1.00  -71.51   50.71  -77.85   27.99
    2.00  -72.48   65.71  -74.46   45.10
    3.00  -73.43   80.71  -71.32   58.41
    4.00  -76.01   95.71  -69.93   73.67
    5.00  -77.08  110.71  -68.02   83.15
    6.00  -76.56  125.71  -65.32   89.16
    7.00  -75.98  140.71  -62.99   95.72
    8.00  -76.94  155.71  -62.63  104.10
    9.00  -76.78  170.71  -61.62  111.40
   10.00  -76.80  185.71  -61.24  118.92
   11.00  -76.61  200.71  -61.09  126.45
   12.00  -76.27  215.71  -61.27  134.14
   13.00  -76.16  230.71  -62.15  141.87
   14.00  -76.25  245.71  -63.65  149.45
   15.00  -75.82  260.71  -65.10  157.66
   16.00  -75.68  275.71  -67.22  165.57
   17.00  -74.21  290.71  -68.76  176.38
   18.00  -74.00  305.71  -71.70  185.30
   19.00  -74.64  320.71  -75.50  191.91
   20.00  -74.02  335.71  -78.81  203.96
   21.00  -72.07  350.71  -81.49  229.20
   22.00  -71.43    5.71  -84.34  265.12
   23.00  -70.47   20.71  -83.91  322.63
</PRE>


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